檢視小聯盟棒球的原始碼

==List（1902-1962）==

===1902-1918===
{| class="wikitable sortable sticky-header"
!League
!State(s)
!Designation(s)
!Years
|-
|''American Association''
|''New York, Ohio, Oklahoma, Texas, West Virginia, Wisconsin''|| class="" D (baseball) |''Class A <br>Class AA<br>Class AAA''||''1902&ndash;1962''
|-
|Appalachian League
|Tennessee, North Carolina, Virginia, West Virginia|| class="" D (baseball) |Class D||1911–1914
|-
|Arkansas-Texas League
|Arkansas, Texas
|Class D
|1906
|-
|Atlantic Association
|Massachusetts, Maine,Rhode Island
|Class D
|1908
|-
|Atlantic League
|New York
|Class D
|1914–1915
|-
|Bi-State League
|Illinois, Wisconsin
|Class D
|1915
|-
|Blue Ridge League
|Maryland, Pennsylvania, West Virginia
|Class D
|1915–1918
|-
|Border League
|Michigan, Ontario
|Class D
|1912–1913
|-
|Buckeye League
|Ohio
|Class D
|1915
|-
|California State League
|California
|Class D
|1910, 1912–1915
|-
|Carolina Association
|North Carolina, South Carolina
|Class D
|1908–1912
|-
|Central Association
|Illinois, Iowa, Missouri, Wisconsin
|Class D
|1908–1917
|-
|Central California League
|California
|Class D
|1910–1911
|-
|Central International League
|Manitoba, Minnesota, North Dakota, Wisconsin
|Class C
|1912
|-
|Central Kansas League
|Kansas
|Class D
|1908–1912
|-
|Central League
|Illinois, Indiana, Michigan, Ohio, Pennsylvania, West Virginia
|Class B
|1903–1917
|-
|Central Texas League
|Texas
|Class D
|1914–1917
|-
|Colonial League
|Connecticut, Massachusetts, Rhode Island
|Class C
|1914–1915
|-
|Connecticut Association
|Connecticut
|Class D
|1910
|-
|Connecticut League
|Connecticut
|Class B<br />Class D
|1902–1912
|-
|Copper Country Soo League
|Michigan
|Class D
|1904–1905
|-
|Cotton States League
|Alabama, Arkansas, Florida, Louisiana, Mississippi
|Class D
|1902–1908,1910-1913
|-
|Delta League
|Mississippi
|Class D
|1904–1905
|-
|Dixie League
|Georgia
|Class D
|1916–1917
|-
|East Texas League
|Texas
|Class D 
|1916
|-
|Eastern Association
|Connecticut, Massachusetts
|Class B
|1913–1914
|-
|Eastern Carolina League
|North Carolina
|Class D
|1908–1910
|-
|Eastern Illinois League
|Illinois, Indiana
|Class D
|1907–1908
|-
|Eastern Kansas League
|Kansas
|Class D
|1910–1911
|-
|''Eastern League''
|''New York, Pennsylvania, Rhode Island, Virginia''
|''Class B <br />Class A''
|''1916–19181919–1932''
|-
|Empire State League
|Georgia
|Class D
|1913
|-
|Florida-Alabama-Georgia League
|Georgia
|Class D
|1915
|-
|Georgia State League
|Georgia
|Class D
|1906, 1914
|-
|Georgia-Alabama League
|Georgia
|Class D
|1913–1917
|-
|Hudson River League
|New York
|Class D <br>Class C
|1903–1907
|-
|Illinois-Indiana-Iowa League (Three-I)
|Illinois, Indiana, Iowa, Minnesota, Wisconsin
|Class B
|1902–1917
|-
|Illinois-Missouri League
|Illinois, Missouri
|Class D
|1908–1914
|-
|Indiana-Ohio League
|Indiana, Ohio
|Class D
|1908
|-
|Inland Empire League
|Washington
|Class D
|1902, 1908
|-
|Interstate Association
|Indiana, Michigan, Ohio
|Class C
|1906
|-
|Interstate League
|Ohio, Pennsylvania, New Jersey, New York, West Virginia
|Class C <br />Class D
|1905–1908, 1913–1916
|-
|Iowa State League
|Illinois, Iowa
|Class D
|1904–1907, 1912
|-
|Iowa-South Dakota League
|Iowa, South Dakota
|Class D
|1902–1903
|-
|Kansas State League
|Kansas, Oklahoma
|Class D
|1905–1906, 1909–1911, 1913–1914
|-
|Kentucky-Illinois-Tennessee League (KITTY)
|Illinois, Indiana, Kentucky, Tennessee
|Class D
|1903–1906, 1910–1914, 1916
|-
|Maine State League
|Maine, New Hampshire
|Class D
|1907–1908
|-
|Massachusetts-Connecticut League
|Connecticut, Massachusetts
|Class D
|1912
|-
|Michigan State League
|Michigan
|Class D<br />Class C
|1902, 1911–1914
|-
|Middle Texas League
|Texas
|Class D
|1914–1915
|-
|Minnesota-Wisconsin League
|Minnesota, Wisconsin
|Class C<br />Class D
|1909–1912
|-
|Missouri-Iowa-Nebraska-Kansas League (MINK)
|Iowa, Kansas, Missouri, Nebraska
|Class D
|1910–1913
|-
|Missouri State League
|Missouri
|Class D
|1911
|-
|Missouri Valley League
|Arkansas, Kansas, Missouri, Oklahoma
|Class D<br />Class C
|1902–1905
|-
|Mountain States League
|Kentucky, Ohio, West Virginia
|Class D
|1911–1912
|-
|Nebraska State League
|Iowa, Kansas, Nebraska, South Dakota
|Class D
|1910–1915
|-
|New Brunswick-Maine League
|Maine, New Brunswick
|Class D
|1913
|-
|New England League
|Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island
|Class B
|1902–1915
|-
|New Hampshire State League
|New York, Vermont
|Class D
|1907
|-
|New York-New Jersey League
|New York
|Class D
|1913
|-
|North Carolina State League
|North Carolina
|Class D
|1913–1917
|-
|North Texas League
|Arkansas, Texas
|Class D
|1905, 1907
|-
|Northeast Arkansas League
|Arkansas
|Class D
|1909–1911
|-
|Northern-Copper Country League
|Manitoba, Michigan, Minnesota, North Dakota
|Class C<br />Class D
|1906–1907
|-
|Northern Copper Country-Soo League
|Manitoba, Michigan, Minnesota, North Dakota
|Class D
|1905
|-
|Northern League
|Manitoba, Michigan, Minnesota, North Dakota, Ontario, South Dakota, Wisconsin
|Class D<br />Class C
|1902–1905, 1908, 1913–1917
|-
|Northern Maine League
|Maine
|Class D
|1909
|-
|Northern New York League
|New York, Vermont
|Class D
|1902
|-
|Northern State of Indiana League
|Indiana
|Class D
|1909–1911
|-
|Northwestern League
|Washington
|Class B
|1905–1917
|-
|Ohio State League
|Indiana, Kentucky, Michigan, Ohio, West Virginia
|Class D
|1908–1916
|-
|Ohio-Pennsylvania League
|Ohio, Pennsylvania, West Virginia
|Class C<br />Class D
|1905–1912
|-
|Oklahoma State League
|Oklahoma
|Class D
|1912
|-
|Oklahoma-Arkansas-Kansas League
|Arkansas, Kansas, Oklahoma
|Class D
|1907
|-
|Oklahoma-Kansas League
|Kansas, Oklahoma
|Class D
|1908
|-
|Oregon State League
|Oregon, Washington (state)
|Class D
|1904
|-
|Pacific National League
|Washington
|Class A <br />Class B
|1903–1904
|-
|Pacific Northwest League
|Washington
|Class B
|1902
|-
|Pennsylvania-Ohio-Maryland League (POW)
|Maryland, Ohio, Pennsylvania, West Virginia
|Class D
|1908–1914
|-
|Pennsylvania-West Virginia League
|Pennsylvania, West Virginia
|Class D
|1906–1907
|-
|Potomac League
|Maryland, West Virginia
|Class D
|1916
|-
|Rio Grande Association
|Arizona, New Mexico, Texas
|Class D
|1915
|-
|Rocky Mountain League
|Colorado, New Mexico, Wyoming
|Class D
|1912
|-
|San Joaquin Valley League
|California
|Class D
|1910
|-
|South Carolina League
|South Carolina
|Class D
|1906–1908
|-
|South Central League
|Arkansas, Oklahoma
|Class D
|1906, 1912
|-
|Southern Illinois League
|Illinois
|Class D
|1910
|-
|Southern Michigan League
|Michigan
|Class D<br />Class C
|1906–1912
|-
|Southern New Hampshire League
|New Hampshire
|Class D
|1907
|-
|Southwest Iowa League
|Iowa
|Class D
|1903
|-
|Southwest Texas League
|Texas
|Class D
|1910–1911
|-
|Southwest Washington League
|Washington
|Class D
|1903–1906
|-
|Texas-Oklahoma League
|Oklahoma, Texas
|Class D
|1911–1914
|-
|Tidewater League
|North Carolina, Virginia
|Class D
|1911
|-
|Tri-State League
|Delaware, New Jersey, Pennsylvania
|Class B
|1907–1914
|-
|Twin States League
|New Hampshire, Vermont
|Class D
|1911
|-
|Union Association
|Idaho, Montana, Utah
|Class D
|1911–1914
|-
|''Virginia League''
|''North Carolina, Virginia''
|''Class C<br />Class B''
|''1906–1928''
|-
|Virginia-North Carolina League
|North Carolina, Virginia
|Class D
|1905
|-
|Virginia Valley League
|Kentucky, Oregon, West Virginia
|Class D
|1910
|-
|Washington State League
|Washington
|Class D
|1910–1912
|-
|West Michigan League
|Michigan
|Class D
|1915
|-
|West Virginia League
|West Virginia
|Class D
|1910
|-
|Western Association
|Arkansas, Kansas, Oklahoma,Missouri,Texas
|Class D<br />Class C
|1911, 1914–1917,
|-
|Western Canada League
|Alberta, Manitoba, Saskatchewan
|Class D
|1907, 1910–1914
|-
|''Western League''
|''Colorado, Iowa, Illinois, Kansas, Minnesota, Missouri, Nebraska, Oklahoma, Texas, Wisconsin''
|''Class A''
|''1900–1937''
|-
|Western Ontario Baseball Association
|Ontario
|Class D
|1905
|-
|Western Pennsylvania League
|Maryland, Pennsylvania, West Virginia
|Class D
|1907
|-
|Western Tri-State League
|Idaho, Oregon, Washington (state)
|Class D
|1912–1914
|-
|Wisconsin-Illinois League
|Illinois, Wisconsin
|Class D
|1908–1914
|-
|Wisconsin State League
|Illinois, Wisconsin
|Class D
|1905–1907
|}




{| class="wikitable sortable sticky-header"
!League
! State(s)
!Designation(s)
!Years
|-
|Alabama-Florida League
|Alabama, Florida|| class="" D (baseball) |Class D||1936&ndash;1939, 1951&ndash;1962
|-
|Alabama-Mississippi League
|Alabama, Mississippi|| class="" D (baseball) |Class D||1936
|-
|Alabama State League
|Alabama|| class="" D (baseball) |Class D ||1940–1941, 1956–1950 
|-
|Alabama-Tennessee League
|Alabama, Tennessee|| class="" D (baseball) |Class D||1921
|-
|American Association
| Colorado, Indiana, Iowa, Kansas, Kentucky, Louisiana, Minnesota, Missouri, Nebraska, New York (state) |New York, Ohio, Oklahoma, Texas, West Virginia, Wisconsin|| class="" A (baseball) |Class A <br>Class AA<br>Class AAA||1902&ndash;1962, 1969&ndash;1997
|-
|Anthracite League
|Pennsylvania|| class="" D (baseball) |Class D||1928
|-
|Appalachian League
|Tennessee, North Carolina, Virginia, West Virginia|| class="" D (baseball) |Class D||1911–1914, 1921–1925, 1937–1955, 1957–1962. 
|-
|Arizona-Mexico League
|Arizona, Mexico|| class="" C (baseball) |Class C||1955&ndash;1958
|-
| Arizona State League
|Arizona|| class="" D (baseball) |Class D||1928–1930
|-
|Arizona-Texas League
|Arizona, Texas|| class="" D (baseball) |Class D  
Class C 
|1931–1932, 1937–1941, 1947–1950, 1952&ndash;1954
|-
|Arkansas-Missouri League
|Arkansas, Missouri|| class="" D (baseball) |Class D||1936–1940
|-
|Arkansas State League
|Arkansas, Louisiana, Missouri, Texas|| class="" D (baseball) |Class D||1908–1909, 1934–1935
|-
|Arkansas-Texas League
|Arkansas, Texas|| class="" D (baseball) |Class D||1906
|-
|Atlantic Association
|Massachusetts, Maine,Rhode Island|| Independent baseball league |Class D||1908
|-
| Atlantic League
| Connecticut, New Jersey, York (state) |New York|| class="" D (baseball) |Class D||1914–1915

|-
|Bi-State League
|Illinois, Wisconsin|| class="" D (baseball) | Class D||1915
|-
|Bi-State League

|North Carolina, Virginia|| class="" D (baseball) | Class D||1934–1942
|-
|Big State League
|Texas|| class="" B (baseball) |Class B|| 1947–1957
|-
|Blue Grass League
|Kentucky|| class="" D (baseball) |Class D||1892, 1896, 1908–1912, 1922–1924
|-
|Blue Ridge League 
|Maryland, Pennsylvania, West Virginia|| class="" D (baseball) |Class D|| 1915–1918, 1920–1930
|-
|Blue Ridge League
|North Carolina, Virginia|| class="" D (baseball) |Class D||1946–1950
|-
| Border League
| Michigan, Ontario|| class="" D (baseball) |Class D||1912–1913
|-
|Border League
| New York (state) |New York, Ontario, Quebec|| class="" C (baseball) |Class C||1946–1951
|-
|Buckeye League
|Ohio|| class="" D (baseball) |Class D||1915
|-
| California State League
|California|| class="" D (baseball) |Class D||1910, 1912–1915, 1928–1929
|-
|Canadian-American League
| Massachusetts, New York (state) |New York, Ontario|| class="" C (baseball) |Class C||1936–1942, 1946–1951 
|-
|Cape Breton Colliery League
|Nova Scotia|| class="" D (baseball) |Class D <br />Class C||1937–1939
|-
|Carolina Association
|North Carolina, South Carolina|| class="" D (baseball) |Class D
|1908–1912
|-
|Central Association 
|Illinois, Iowa, Missouri, Wisconsin|| class="" D (baseball) |Class D||1908–1917
|-
|Central Association 
|Illinois, Iowa, Missouri|| class="" C (baseball) |Class C||1947–1949 
|-
| Central California League 
|California|| class="" D (baseball) |Class D||1910–1911
|-
|Central International League
|Manitoba, Minnesota, North Dakota, Wisconsin || class="" C (baseball) |Class C ||1912
|-
|Central Kansas League
|Kansas|| class="" D (baseball) |Class D||1908–1912
|-
|Central League
|Illinois, Indiana, Michigan, Ohio, Pennsylvania, West Virginia|| class="" B (baseball) |Class B||1900, 1903–1917, 1920–1922, 1926, 1928–1930, 1932, 1934
|-
|Central League
|Indiana, Michigan, Ohio, West Virginia|| class="" A (baseball) |Class A||1948–1951
|-
|Central Mexican League
|Mexico|| class="" C (baseball) |Class C ||1955–1957
|-
|Central Texas League
|Texas|| class="" D (baseball) |Class D||1914–1917
|-
|Coastal Plain League
|North Carolina|| class="" D (baseball) | Class D ||1937–1941, 1946–1952
|-
|Colonial League
|Connecticut, Massachusetts, Rhode Island|| class="" C (baseball) |Class C||1914–1915
|-
| Colonial League
| Connecticut, New Jersey, York (state) |New York|| class="" B (baseball) | Class B||1947–1950
|-
|Connecticut Association 
|Connecticut|| class="" D (baseball) |Class D||1910
|-
|Connecticut League
|Connecticut || class="" E (baseball) |Class B<br />Class D||1902–1912
|-
| Copper Country Soo League 
|Michigan|| class="" D (baseball) |Class D||1904–1905
|-
|Cotton States League
|Alabama, Arkansas, Florida, Louisiana, Mississippi || class="" D (baseball) |Class D||1902–1914 
|-
|Cotton States League
|Arkansas, Louisiana, Mississippi, Texas|| class="" D (baseball) |Class D||1919–1932
|-
|Cotton States League
|Arkansas, Louisiana, Mississippi, Texas|| class="" C (baseball) |Class C||1936–1941, 1947–1955
|-
|Dakota League
|North Dakota, South Dakota|| class="" D (baseball) | Class D||1921–1922
|-
|Delta League
|Mississippi|| class="" D (baseball) |Class D||1904–1905
|-
| Dixie League
| Alabama, Georgia (U.S. state) |Georgia|| class="" D (baseball) |Class D||1916–1917 
|-
|Dixie League
|Arkansas, Louisiana, Mississippi, Texas|| class="" C (baseball) |Class C||1933
|-
|East Dixie League
|Arkansas, Louisiana, Mississippi|| class="" C (baseball) |Class C ||1934–1935
|-
|East Texas League
| Texas|| class="" D (baseball) |Class D <br />Class C|| 1916, 1923–1926, 1931, 1936–1940, 1946, 1949–1950
|-
|Eastern Association
| Connecticut, Massachusetts, New York (state) |Connecticut, Massachusetts|| Independent baseball league |Class B
|1913–1914
|-
|Eastern Canada League
|Ontario, Quebec|| class="" B (baseball) |Class B||1922–1923 
|-
|Eastern Carolina League
|North Carolina|| class="" D (baseball) |Class D|| 1908–1910, 1928–1929
|-
|Eastern Illinois League
|Illinois, Indiana|| class="" D (baseball) | Class D||1907–1908
|-
|Eastern Kansas League
|Kansas|| class="" D (baseball) |Class D||1910–1911
|-
|Eastern League
| Connecticut, Maine, Massachusetts, New York (state) |New York, Pennsylvania, Rhode Island, Virginia|| class="" B (baseball) |Class B <br />Class A||1916–1932
|-
|Eastern Shore League
|Delaware, Maryland, Virginia|| class="" D (baseball) |Class D||1922–1928, 1937–1941, 1946–1949
|-
|Empire State League
| Georgia (U.S. state) |Georgia|| Independent baseball league |Class D ||1913
|-
|Evangeline Baseball League
|Louisiana, Mississippi, Texas|| class="" D (baseball) |Class D <br />Class C||1934-1942, 1946–1957
|-
|Far West League
| California, Oregon, Nevada|| class="" D (baseball) |Class D ||1948–1951
|-
|Florida-Alabama-Georgia League
| Alabama, Florida, Georgia (U.S. state) |Georgia|| class="" D (baseball) |Class D||1915
|-
|Florida East Coast League
|Florida|| class="" D (baseball) |Class D||1940–1952
|-
|Florida International League
|Cuba, Florida|| class="" C (baseball) |Class C<br>Class B||1946–1954
|-
| Georgia State League
| Georgia (U.S. state) | Georgia|| class="" D (baseball) | Class D||1906, 1914, 1920–1921, 1948–1956
|-
|Georgia-Alabama League
| Alabama, Georgia (U.S. state) |Georgia|| class="" D (baseball) |Class D||1913–1917, 1928–1930, 1946–1951
|-
|Georgia-Florida League
| Florida, Georgia (U.S. state) |Georgia,|| class="" D (baseball) | Class D <br />Class A ||1935–1942, 1946–1958, 1962–1963
|-
|Hudson River League
| Massachusetts, New York (state) |New York|| class="" D (baseball) |Class D <br>Class C||1903–1907
|-
|Illinois-Indiana-Iowa League (Three-I)
|Illinois, Indiana, Iowa, Minnesota, Wisconsin|| class="" D (baseball) |Class D <br>Class B||1901–1917, 1919–1932, 1935, 1937–1942, 1946–1961
|-
|Illinois State League
|Illinois|| class="" D (baseball) | Class D||1947–1948
|-
|Illinois-Missouri League
|Illinois, Missouri|| class="" D (baseball) |Class D||1908–1914
|-
|Indiana-Michigan League
|Indiana, Michigan|| class="" D (baseball) | Class D||1921 
|-
|Indiana-Ohio League
|Indiana, Ohio|| class="" D (baseball) |Class D||1908
|-
|Inland Empire League
| Oregon, Washington (state) |Washington|| class="" D (baseball) |Class D||1902, 1908
|-
|Interstate Association 
|Indiana, Michigan, Ohio|| class="" C (baseball) |Class C||1906
|-
|Interstate League
| Indiana, Kentucky, Michigan, Ohio, Pennsylvania, New Jersey, York (state) |Ohio, Pennsylvania, New Jersey, New York, West Virginia|| Independent baseball league |Class C <br />Class D||1905–1908, 1913–1916, 1932
|-
|Iowa State League
|Illinois, Iowa|| class="" D (baseball) |Class D||1904–1907, 1912
|-
|Iowa-South Dakota League
|Iowa, South Dakota|| class="" D (baseball) |Class D||1902–1903
|-
|Kansas State League
| Kansas, Oklahoma|| Independent baseball league |Class D||1905–1906, 1909–1911, 1913–1914
|-
|Kansas-Oklahoma-Missouri League (KOM)
|Kansas, Missouri, Oklahoma|| class="" D (baseball) |Class D||1946–1952
|-
|Kentucky-Illinois-Tennessee League (KITTY)
|Illinois, Indiana, Kentucky, Tennessee|| class="" D (baseball) |Class D||1903–1906, 1910–1914, 1916, 1922–1924, 1933–1942, 1946–1955
|-
|Lone Star League
|Texas|| class="" D (baseball) |Class D <br />Class C<br>Class A||1927–1929, 1947–1949, 1977
|-
|Longhorn League
|Texas|| class="" C (baseball) |Class C||1947–1955
|-
|Louisiana State Baseball League
|Louisiana|| Independent baseball league |Class D||1920
|-
| Maine State League
|Maine, New Hampshire|| Independent baseball league |Class D||1907–1908
|-
|Massachusetts-Connecticut League
|Connecticut, Massachusetts|| class="" D (baseball) |Class D||1912 
|-
| Michigan State League
|Michigan|| Independent baseball league |Class D<br />Class C||1902, 1911–1914, 1926, 1940–1941
|-
|Michigan-Ontario League
|Michigan, Ontario|| class="" B (baseball) |Class B||1919–1926
|-
|Middle Atlantic League
| Maryland, Ohio, New York (state) |New York, Pennsylvania, West Virginia|| class="" C (baseball) |Class C||1925–1942, 1946–1951
|-
|Middle Texas League
|Texas|| class="" D (baseball) |Class D||1914–1915
|-
|Midwest League
|Illinois, Indiana, Iowa, Kentucky, Michigan, Ohio, Wisconsin|| class="" D (baseball) |Class D<br />Class A|| 1956–2020
|-
|Minnesota-Wisconsin League
|Minnesota, Wisconsin|| class="" C (baseball) |Class C<br />Class D||1909–1912
|-
|Mississippi State League
|Mississippi|| class="" D (baseball) |Class D||1924
|-
|Mississippi Valley League
|Illinois, Iowa|| class="" D (baseball) |Class D<br />Class B||1922–1933
|-
|Mississippi-Ohio Valley League 
|Illinois, Indiana, Iowa, Kentucky, Missouri|| class="" D (baseball) | Class D||1949–1955
|-
|Missouri-Iowa-Nebraska-Kansas League (MINK) 
|Iowa, Kansas, Missouri, Nebraska|| class="" D (baseball) |Class D||1910–1913
|-
|Missouri State League
|Missouri|| Independent baseball league |Class D||1911
|-
|Missouri Valley League
|Arkansas, Kansas, Missouri, Oklahoma|| Independent baseball league | Class D<br />Class C||1902–1905
|-
|Mountain State League
| Kentucky, West Virginia|| class="" D (baseball) |Class D 
Class C
|1936–1942
|-
|Mountain States League
|Kentucky, Ohio, West Virginia|| class="" D (baseball) |Class D||1911–1912
|-
|Mountain States League
|Kentucky, Tennessee, Virginia|| class="" D (baseball) |Class D <br />Class C||1948–1954
|-
|Nebraska State League
|Iowa, Kansas, Nebraska, South Dakota|| class="" B (baseball) |Class B<br />Class D||1892, 1910–1915, 1922–1923, 1928–1938, 1956–1959
|-
|New Brunswick-Maine League 
|Maine, New Brunswick|| class="" D (baseball) |Class D||1913
|-
|New England League
|Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island|| Independent baseball league |Class B||1902–1915, 1919, 1926–1930, 1933, 1946–1949
|-
|New Hampshire State League
| New Hampshire, York (state) |New York, Vermont|| Independent baseball league |Class D ||1907
|-
|New York-New Jersey League
| Connecticut, New Jersey, York (state) |New York|| class="" D (baseball) |Class D||1913
|-
|New York–Pennsylvania League
| New York (state) |New York, Pennsylvania|| class="" D (baseball) |Class D<br />Class A||1923–1937
|-
|New York-Penn League
| Connecticut, Maryland, Massachusetts, New York (state) |New York, Ohio, Ontario, Pennsylvania, Vermont, West Virginia || class="" A (baseball) |Class A||1939–2020
|-
|New York State League
| New York (state) |New York, Pennsylvania|| Independent baseball league |Class B||1902–1917
|-
|North Atlantic League
| Massachusetts, New Hampshire, Jersey, York (state) |New York, Ontario, Pennsylvania|| class="" D (baseball) | Class D||1946–1950
|-
|North Carolina State League
|North Carolina|| class="" D (baseball) |Class D||1913–1917, 1937–1953
|-
|North Dakota League
|North Dakota|| class="" D (baseball) |Class D ||1923
|-
|North Texas League
|Arkansas, Texas || class="" D (baseball) | Class D ||1905, 1907
|-
|Northeast Arkansas League
|Arkansas|| class="" D (baseball) |Class D||1909–1911, 1936–1941
|-
|Northeastern League
| Connecticut, Massachusetts, New Hampshire, York (state) |New York, Vermont|| Independent baseball league |Class B||1934
|-
|Northern-Copper Country League 
|Manitoba, Michigan, Minnesota, North Dakota|| class="" C (baseball) |Class C<br />Class D||1906–1907
|-
|Northern Copper Country-Soo League
|Manitoba, Michigan, Minnesota, North Dakota|| class="" D (baseball) |Class D||1905
|-
|Northern League
|Manitoba, Michigan, Minnesota, North Dakota, Ontario, South Dakota, Wisconsin || class="" D (baseball) |Class D<br />Class C<br />Class A ||1902–1905, 1908, 1913–1917, 1932–1942, 1932–1942, 1946–1971
|-
|Northern Maine League
|Maine|| class="" D (baseball) |Class D||1909
|-
|Northern New York League
| New York (state) |New York, Vermont || class="" D (baseball) | Class D|| 1902
|-
|Northern State of Indiana League
|Indiana|| class="" D (baseball) |Class D||1909–1911
|-
|Northern Utah League 
|Idaho, Utah|| class="" D (baseball) |Class D||1921
|-
|Northwest International League
| British Columbia, Washington (state) |Washington|| class="" B (baseball) |Class B||1919
|-
|Northwestern League 
| British Columbia, Montana, Oregon, Washington (state) |Washington|| class="" B (baseball) |Class B||1905–1917
|-
|Ohio State League
|Indiana, Kentucky, Michigan, Ohio, West Virginia|| Independent baseball league |Class D||1908–1916, 1936–1947
|-
|Ohio-Indiana League
|Indiana, Ohio|| class="" D (baseball) | Class D||1948–1951
|-
|Ohio-Pennsylvania League
|Ohio, Pennsylvania, West Virginia|| class="" C (baseball) |Class C<br />Class D||1905–1912
|-
|Oklahoma State League
|Oklahoma|| class="" D (baseball) |Class D ||1912, 1922–1924
|-
|Oklahoma-Arkansas-Kansas League
|Arkansas, Kansas, Oklahoma|| class="" D (baseball) | Class D|| 1907
|-
|Oklahoma-Kansas League
|Kansas, Oklahoma|| class="" D (baseball) |Class D||1908
|-
| Ontario-Quebec-Vermont League
|Ontario, Quebec, Vermont || class="" B (baseball) |Class B||1924
|-
| Oregon State League
|Oregon, Washington (state)|| class="" D (baseball) |Class D|| 1904
|-
|Pacific Coast International League
| British Columbia, Washington (state) |Washington|| class="" B (baseball) |Class B||1918–1922
|-
|Pacific National League
| California, Idaho, Montana, Oregon, Utah, Washington (state) |Washington|| class="" A (baseball) |Class A <br />Class B||1903–1904
|-
|Pacific Northwest League
| British Columbia, Montana, Oregon, Utah, Washington (state) |Washington|| Independent baseball league |Class B||1902
|-
|Palmetto League
| Georgia (U.S. state) |Georgia, South Carolina|| class="" D (baseball) |Class D||1931
|-
|Panhandle-Pecos Valley League
|New Mexico, Texas|| class="" D (baseball) |Class D||1923
|-
|Pennsylvania-Ohio-Maryland League (POW)
|Maryland, Ohio, Pennsylvania, West Virginia|| class="" D (baseball) |Class D||1908–1914
|- 
|Pennsylvania-Ontario-New York League (PONY)
| Ontario, Pennsylvania, New York (state) |New York|| class="" D (baseball) |Class D||1939–1956
|-
|Pennsylvania State Association
|Pennsylvania || class="" D (baseball) | Class D|| 1934–1942
|-
|Pennsylvania-West Virginia League
|Pennsylvania, West Virginia|| class="" D (baseball) |Class D||1906–1907
|-
|Piedmont League
|Maryland, North Carolina, Pennsylvania, South Carolina, Virginia|| class="" D (baseball) |Class D<br />Class C<br />Class B||1921–1955
|-
|Potomac League
|Maryland, West Virginia|| class="" D (baseball) |Class D||1916
|-
|Provincial League
|Quebec, Vermont|| Independent baseball league |Class C||1950–1955
|-
|Rio Grande Association
|Arizona, New Mexico, Texas|| class="" D (baseball) | Class D||1915
|-
|Rio Grande Valley League
|Texas|| class="" D (baseball) |Class D <br />Class C||1931, 1949–1950
|-
|Rocky Mountain League
|Colorado, New Mexico, Wyoming|| class="" D (baseball) |Class D|| 1912
|-
|San Joaquin Valley League
|California || class="" D (baseball) |Class D||1910 
|-
|Sooner State League
|Oklahoma, Texas|| class="" D (baseball) | Class D|| 1947–1957
|-
|Sophomore League
|New Mexico, Texas|| class="" D (baseball) |Class D||1958–1961
|-
| South Carolina League
|South Carolina|| class="" D (baseball) | Class D||1906–1908
|-
|South Central League
|Arkansas, Oklahoma|| class="" D (baseball) |Class D||1906, 1912
|-
|South Dakota League
|Minnesota, North Dakota, South Dakota|| class="" D (baseball) |Class D||1920–1923
|-
|South Texas League
|Texas|| class="" C (baseball) |Class C||1903–1906
|-
|Southeastern League 
| Alabama, Florida, Georgia (U.S. state) | Georgia, Louisiana, North Carolina, Tennessee|| class="" D (baseball) |Class D<br />Class B||1910–1912, 1926–1950
|-
|Southern Association 
| Alabama, Arkansas, Georgia (U.S. state) |Georgia, Louisiana, Tennessee || class="" B (baseball) |Class A <br />Class AA||1902–1961
|-
|Southern California League
|California|| class="" D (baseball) |Class D||1913 
|-
|Southern California Trolley League
|California|| class="" D (baseball) |Class D ||1910
|-
|Southern Illinois League
|Illinois|| Independent baseball league |Class D||1910
|-
|Southern Michigan League
|Michigan|| class="" D (baseball) |Class D<br />Class C||1906–1912
|-
|Southern New Hampshire League
|New Hampshire|| class="" D (baseball) |Class D||1907
|-
|Southwest International League
|Arizona, California, Mexico, Nevada, Texas|| class="" C (baseball) |Class C||1948–1951
|-
|Southwest Iowa League
|Iowa|| class="" D (baseball) |Class D||1903 
|-
|Southwest Texas League
|Texas || class="" D (baseball) |Class D ||1910–1911
|-
|Southwest Washington League
| Washington (state) |Washington|| class="" D (baseball) |Class D||1903–1906
|-
|Southwestern League
|Arkansas, Kansas, Missouri, Oklahoma|| Independent baseball league |Class D<br />Class C||1921–1926
|-
|Sunset League
|Arizona, California, Mexico, Nevada|| class="" C (baseball) |Class C||1947–1950
|-
|Tar Heel League
|North Carolina|| class="" D (baseball) |Class D||1939–1940, 1953–1954
|-
|Texas Association
|Texas|| class="" C (baseball) |Class C ||1923–1926
|-
|Texas-Oklahoma League
|Oklahoma, Texas|| class="" D (baseball) |Class D||1911–1914, 1921–1922
|-
|Texas Valley League
|Texas|| Independent baseball league |Class D||1927–1928, 1938
|-
|Tidewater League
|North Carolina, Virginia|| class="" D (baseball) |Class D||1911
|-
|Tobacco State League
|North Carolina|| class="" D (baseball) |Class D||1946–1950
|-
|Tri-State League
|Arkansas, Delaware, Illinois, Indiana, Iowa, Kentucky, Mississippi, Nebraska, New Jersey, North Carolina, Ohio, Pennsylvania, South Carolina, South Dakota, Tennessee, West Virginia, Wisconsin|| Independent baseball league |Class B<br />Class D||1907–1914, 1924–1926, 1946–1955
|-
|Twin Ports League
|Minnesota, Wisconsin|| class="" E (baseball) |Class E||1943
|-
|Twin States League
|New Hampshire, Vermont|| class="" D (baseball) |Class D ||1911
|-
|Union Association
|Idaho, Montana, Utah|| class="" D (baseball) |Class D||1911–1914
|-
|Utah-Idaho League
|Idaho, Utah|| class="" C (baseball) |Class C||1926–1928
|-
| Virginia League
|North Carolina, Virginia|| class="" C (baseball) |Class C<br />Class B|| 1906–1928
|-
|Virginia League
|Virginia|| class="" D (baseball) |Class D||1939–1942
|-
|Virginia League
|North Carolina, Virginia|| class="" D (baseball) |Class D||1948–1951
|-
|Virginia Mountain League 
|Virginia|| Independent baseball league |Class D||1914 
|-
|Virginia-North Carolina League
|North Carolina, Virginia|| class="" C (baseball) |Class C<br />Class D||1901, 1905
|-
|Virginia Valley League
|Kentucky, Oregon, West Virginia|| class="" D (baseball) |Class D|| 1910
|-
|Washington State League
| Washington (state) |Washington|| class="" D (baseball) |Class D||1910–1912
|-
|West Dixie League
| Louisiana, Texas|| class="" C (baseball) | Class C||1934–1935
|-
|West Michigan League
| Michigan || class="" D (baseball) |Class D||1915
|-
|West Texas League
|Texas|| class="" D (baseball) |Class D||1920–1922, 1928–1929
|-
|West Texas-New Mexico League
|New Mexico, Texas|| class="" D (baseball) |Class D <br />Class C<br />Class B||1937–1942, 1946–1955
|-
|West Virginia League
|West Virginia|| class="" D (baseball) | Class D||1910
|-
|Western Arkansas League
|Arkansas|| class="" D (baseball) |Class D||1924
|-
| Western Association
|Arkansas, Colorado, Illinois, Indiana, Iowa, Kansas, Kentucky, Ohio, Oklahoma, Michigan, Minnesota, Missouri, Nebraska, Texas, West Virginia|| Independent baseball league |Class D<br />Class C|| 1911, 1914–1917, 1920–1932, 1934–1954
|-
| Western Canada League
|Alberta, Manitoba, Saskatchewan|| class="" D (baseball) |Class D<br />Class C<br />Class B||1907, 1910–1914, 1919–1921
|-
|Western Carolina League
|North Carolina|| class="" D (baseball) |Class D||1948–1952, 1960–1962
|-
|Western Carolinas League
|North Carolina, South Carolina|| class="" D (baseball) |Class D<br />Class A||1948–1952, 1960–1979
|-
|Western International League
| Idaho, Oregon, Washington (state) |Washington, Alberta, British Columbia|| class="" B (baseball) | Class B<br />Class A||1922, 1937–1942, 1946–1954
|-
|Western League
| Colorado, Iowa, Illinois, Kansas, Minnesota, Missouri, Nebraska, New Mexico, Oklahoma, Texas, Wisconsin|| class="" A (baseball) |Class A||1900–1937, 1947–1958
|-
|Western League 
|Colorado, Iowa, Minnesota, Nebraska, South Dakota, Wyoming|| class="" D (baseball) |Class D||1939–1941
|-
|Western Ontario Baseball Association
| Ontario || class="" D (baseball) |Class D||1905
|-
|Western Pennsylvania League
|Maryland, Pennsylvania, West Virginia || class="" D (baseball) |Class D||1907
|-
|Western Tri-State League
|Idaho, Oregon, Washington (state)|| class="" D (baseball) |Class D||1912–1914
|-
|Wisconsin-Illinois League
|Illinois, Wisconsin|| class="" D (baseball) |Class D||1908–1914, 1926-1927, 1932
|-
|Wisconsin State League
|Illinois, Wisconsin|| class="" D (baseball) | Class D||1905–1907, 1922-1925, 1928-1931, 1940-1942, 1946-1953
|}