小聯盟棒球

List（1902-1962）

1902-1918

League	State(s)	Designation(s)	Years
American Association	New York, Ohio, Oklahoma, Texas, West Virginia, Wisconsin	Class A Class AA Class AAA	1902–1962
Appalachian League	Tennessee, North Carolina, Virginia, West Virginia	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 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 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 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 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 Class C	1902, 1911–1914
Middle Texas League	Texas	Class D	1914–1915
Minnesota-Wisconsin League	Minnesota, Wisconsin	Class C 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 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
New York State League	New York, Pennsylvania	Class B	1902–1917
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 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 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 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 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 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 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 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

League	State(s)	Designation(s)	Years
Alabama-Florida League	Alabama, Florida	Class D	1936–1939, 1951–1962
Alabama-Mississippi League	Alabama, Mississippi	Class D	1936
Alabama State League	Alabama	Class D	1940–1941, 1956–1950
Alabama-Tennessee League	Alabama, Tennessee	Class D	1921
American Association	New York, Ohio, Oklahoma, Texas, West Virginia, Wisconsin	Class A Class AA Class AAA	1902–1962, 1969–1997
Anthracite League	Pennsylvania	Class D	1928
Appalachian League	Tennessee, North Carolina, Virginia, West Virginia	Class D	1911–1914, 1921–1925, 1937–1955, 1957–1962.
Arizona-Mexico League	Arizona, Mexico	Class C	1955–1958
Arizona State League	Arizona	Class D	1928–1930
Arizona-Texas League	Arizona, Texas	Class D Class C	1931–1932, 1937–1941, 1947–1950, 1952–1954
Arkansas-Missouri League	Arkansas, Missouri	Class D	1936–1940
Arkansas State League	Arkansas, Louisiana, Missouri, Texas	Class D	1908–1909, 1934–1935
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
Bi-State League	North Carolina, Virginia	Class D	1934–1942
Big State League	Texas	Class B	1947–1957
Blue Grass League	Kentucky	Class D	1892, 1896, 1908–1912, 1922–1924
Blue Ridge League	Maryland, Pennsylvania, West Virginia	Class D	1915–1918, 1920–1930
Blue Ridge League	North Carolina, Virginia	Class D	1946–1950
Border League	Michigan, Ontario	Class D	1912–1913
Border League	New York, Ontario, Quebec	Class C	1946–1951
Buckeye League	Ohio	Class D	1915
California State League	California	Class D	1910, 1912–1915, 1928–1929
Canadian-American League	New York, Ontario	Class C	1936–1942, 1946–1951
Cape Breton Colliery League	Nova Scotia	Class D Class C	1937–1939
Carolina Association	North Carolina, South Carolina	Class D	1908–1912
Central Association	Illinois, Iowa, Missouri, Wisconsin	Class D	1908–1917
Central Association	Illinois, Iowa, Missouri	Class C	1947–1949
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	1900, 1903–1917, 1920–1922, 1926, 1928–1930, 1932, 1934
Central League	Indiana, Michigan, Ohio, West Virginia	Class A	1948–1951
Central Mexican League	Mexico	Class C	1955–1957
Central Texas League	Texas	Class D	1914–1917
Coastal Plain League	North Carolina	Class D	1937–1941, 1946–1952
Colonial League	Connecticut, Massachusetts, Rhode Island	Class C	1914–1915
Colonial League	New York	Class B	1947–1950
Connecticut Association	Connecticut	Class D	1910
Connecticut League	Connecticut	Class B Class D	1902–1912
Copper Country Soo League	Michigan	Class D	1904–1905
Cotton States League	Alabama, Arkansas, Florida, Louisiana, Mississippi	Class D	1902–1914
Cotton States League	Arkansas, Louisiana, Mississippi, Texas	Class D	1919–1932
Cotton States League	Arkansas, Louisiana, Mississippi, Texas	Class C	1936–1941, 1947–1955
Dakota League	North Dakota, South Dakota	Class D	1921–1922
Delta League	Mississippi	Class D	1904–1905
Dixie League	Georgia	Class D	1916–1917
Dixie League	Arkansas, Louisiana, Mississippi, Texas	Class C	1933
East Dixie League	Arkansas, Louisiana, Mississippi	Class C	1934–1935
East Texas League	Texas	Class D Class C	1916, 1923–1926, 1931, 1936–1940, 1946, 1949–1950
Eastern Association	Connecticut, Massachusetts	Class B	1913–1914
Eastern Canada League	Ontario, Quebec	Class B	1922–1923
Eastern Carolina League	North Carolina	Class D	1908–1910, 1928–1929
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 Class A	1916–1932
Eastern Shore League	Delaware, Maryland, Virginia	Class D	1922–1928, 1937–1941, 1946–1949
Empire State League	Georgia	Class D	1913
Evangeline Baseball League	Louisiana, Mississippi, Texas	Class D Class C	1934-1942, 1946–1957
Far West League	California, Oregon, Nevada	Class D	1948–1951
Florida-Alabama-Georgia League	Georgia	Class D	1915
Florida East Coast League	Florida	Class D	1940–1952
Florida International League	Cuba, Florida	Class C Class B	1946–1954
Georgia State League	Georgia	Class D	1906, 1914, 1920–1921, 1948–1956
Georgia-Alabama League	Georgia	Class D	1913–1917, 1928–1930, 1946–1951
Georgia-Florida League	Georgia,	Class D Class A	1935–1942, 1946–1958, 1962–1963
Hudson River League	New York	Class D Class C	1903–1907
Illinois-Indiana-Iowa League (Three-I)	Illinois, Indiana, Iowa, Minnesota, Wisconsin	Class D Class B	1901–1917, 1919–1932, 1935, 1937–1942, 1946–1961
Illinois State League	Illinois	Class D	1947–1948
Illinois-Missouri League	Illinois, Missouri	Class D	1908–1914
Indiana-Michigan League	Indiana, Michigan	Class D	1921
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 Class D	1905–1908, 1913–1916, 1932
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
Kansas-Oklahoma-Missouri League (KOM)	Kansas, Missouri, Oklahoma	Class D	1946–1952
Kentucky-Illinois-Tennessee League (KITTY)	Illinois, Indiana, Kentucky, Tennessee	Class D	1903–1906, 1910–1914, 1916, 1922–1924, 1933–1942, 1946–1955
Lone Star League	Texas	Class D Class C Class A	1927–1929, 1947–1949, 1977
Longhorn League	Texas	Class C	1947–1955
Louisiana State Baseball League	Louisiana	Class D	1920
Maine State League	Maine, New Hampshire	Class D	1907–1908
Massachusetts-Connecticut League	Connecticut, Massachusetts	Class D	1912
Michigan State League	Michigan	Class D Class C	1902, 1911–1914, 1926, 1940–1941
Michigan-Ontario League	Michigan, Ontario	Class B	1919–1926
Middle Atlantic League	New York, Pennsylvania, West Virginia	Class C	1925–1942, 1946–1951
Middle Texas League	Texas	Class D	1914–1915
Midwest League	Illinois, Indiana, Iowa, Kentucky, Michigan, Ohio, Wisconsin	Class D Class A	1956–2020
Minnesota-Wisconsin League	Minnesota, Wisconsin	Class C Class D	1909–1912
Mississippi State League	Mississippi	Class D	1924
Mississippi Valley League	Illinois, Iowa	Class D Class B	1922–1933
Mississippi-Ohio Valley League	Illinois, Indiana, Iowa, Kentucky, Missouri	Class D	1949–1955
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 Class C	1902–1905
Mountain State League	Kentucky, West Virginia	Class D Class C	1936–1942
Mountain States League	Kentucky, Ohio, West Virginia	Class D	1911–1912
Mountain States League	Kentucky, Tennessee, Virginia	Class D Class C	1948–1954
Nebraska State League	Iowa, Kansas, Nebraska, South Dakota	Class B Class D	1892, 1910–1915, 1922–1923, 1928–1938, 1956–1959
New Brunswick-Maine League	Maine, New Brunswick	Class D	1913
New England League	Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island	Class B	1902–1915, 1919, 1926–1930, 1933, 1946–1949
New Hampshire State League	New York, Vermont	Class D	1907
New York-New Jersey League	New York	Class D	1913
New York–Pennsylvania League	New York, Pennsylvania	Class D Class A	1923–1937
New York-Penn League	New York, Ohio, Ontario, Pennsylvania, Vermont, West Virginia	Class A	1939–2020
New York State League	New York, Pennsylvania	Class B	1902–1917
North Atlantic League	New York, Ontario, Pennsylvania	Class D	1946–1950
North Carolina State League	North Carolina	Class D	1913–1917, 1937–1953
North Dakota League	North Dakota	Class D	1923
North Texas League	Arkansas, Texas	Class D	1905, 1907
Northeast Arkansas League	Arkansas	Class D	1909–1911, 1936–1941
Northeastern League	New York, Vermont	Class B	1934
Northern-Copper Country League	Manitoba, Michigan, Minnesota, North Dakota	Class C 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 Class C Class A	1902–1905, 1908, 1913–1917, 1932–1942, 1932–1942, 1946–1971
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
Northern Utah League	Idaho, Utah	Class D	1921
Northwest International League	Washington	Class B	1919
Northwestern League	Washington	Class B	1905–1917
Ohio State League	Indiana, Kentucky, Michigan, Ohio, West Virginia	Class D	1908–1916, 1936–1947
Ohio-Indiana League	Indiana, Ohio	Class D	1948–1951
Ohio-Pennsylvania League	Ohio, Pennsylvania, West Virginia	Class C Class D	1905–1912
Oklahoma State League	Oklahoma	Class D	1912, 1922–1924
Oklahoma-Arkansas-Kansas League	Arkansas, Kansas, Oklahoma	Class D	1907
Oklahoma-Kansas League	Kansas, Oklahoma	Class D	1908
Ontario-Quebec-Vermont League	Ontario, Quebec, Vermont	Class B	1924
Oregon State League	Oregon, Washington (state)	Class D	1904
Pacific Coast International League	Washington	Class B	1918–1922
Pacific National League	Washington	Class A Class B	1903–1904
Pacific Northwest League	Washington	Class B	1902
Palmetto League	Georgia, South Carolina	Class D	1931
Panhandle-Pecos Valley League	New Mexico, Texas	Class D	1923
Pennsylvania-Ohio-Maryland League (POW)	Maryland, Ohio, Pennsylvania, West Virginia	Class D	1908–1914
Pennsylvania-Ontario-New York League (PONY)	New York	Class D	1939–1956
Pennsylvania State Association	Pennsylvania	Class D	1934–1942
Pennsylvania-West Virginia League	Pennsylvania, West Virginia	Class D	1906–1907
Piedmont League	Maryland, North Carolina, Pennsylvania, South Carolina, Virginia	Class D Class C Class B	1921–1955
Potomac League	Maryland, West Virginia	Class D	1916
Provincial League	Quebec, Vermont	Class C	1950–1955
Rio Grande Association	Arizona, New Mexico, Texas	Class D	1915
Rio Grande Valley League	Texas	Class D Class C	1931, 1949–1950
Rocky Mountain League	Colorado, New Mexico, Wyoming	Class D	1912
San Joaquin Valley League	California	Class D	1910
Sooner State League	Oklahoma, Texas	Class D	1947–1957
Sophomore League	New Mexico, Texas	Class D	1958–1961
South Carolina League	South Carolina	Class D	1906–1908
South Central League	Arkansas, Oklahoma	Class D	1906, 1912
South Dakota League	Minnesota, North Dakota, South Dakota	Class D	1920–1923
South Texas League	Texas	Class C	1903–1906
Southeastern League	Georgia, Louisiana, North Carolina, Tennessee	Class D Class B	1910–1912, 1926–1950
Southern Association	Georgia, Louisiana, Tennessee	Class A Class AA	1902–1961
Southern California League	California	Class D	1913
Southern California Trolley League	California	Class D	1910
Southern Illinois League	Illinois	Class D	1910
Southern Michigan League	Michigan	Class D Class C	1906–1912
Southern New Hampshire League	New Hampshire	Class D	1907
Southwest International League	Arizona, California, Mexico, Nevada, Texas	Class C	1948–1951
Southwest Iowa League	Iowa	Class D	1903
Southwest Texas League	Texas	Class D	1910–1911
Southwest Washington League	Washington	Class D	1903–1906
Southwestern League	Arkansas, Kansas, Missouri, Oklahoma	Class D Class C	1921–1926
Sunset League	Arizona, California, Mexico, Nevada	Class C	1947–1950
Tar Heel League	North Carolina	Class D	1939–1940, 1953–1954
Texas Association	Texas	Class C	1923–1926
Texas-Oklahoma League	Oklahoma, Texas	Class D	1911–1914, 1921–1922
Texas Valley League	Texas	Class D	1927–1928, 1938
Tidewater League	North Carolina, Virginia	Class D	1911
Tobacco State League	North Carolina	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	Class B Class D	1907–1914, 1924–1926, 1946–1955
Twin Ports League	Minnesota, Wisconsin	Class E	1943
Twin States League	New Hampshire, Vermont	Class D	1911
Union Association	Idaho, Montana, Utah	Class D	1911–1914
Utah-Idaho League	Idaho, Utah	Class C	1926–1928
Virginia League	North Carolina, Virginia	Class C Class B	1906–1928
Virginia League	Virginia	Class D	1939–1942
Virginia League	North Carolina, Virginia	Class D	1948–1951
Virginia Mountain League	Virginia	Class D	1914
Virginia-North Carolina League	North Carolina, Virginia	Class C Class D	1901, 1905
Virginia Valley League	Kentucky, Oregon, West Virginia	Class D	1910
Washington State League	Washington	Class D	1910–1912
West Dixie League	Louisiana, Texas	Class C	1934–1935
West Michigan League	Michigan	Class D	1915
West Texas League	Texas	Class D	1920–1922, 1928–1929
West Texas-New Mexico League	New Mexico, Texas	Class D Class C Class B	1937–1942, 1946–1955
West Virginia League	West Virginia	Class D	1910
Western Arkansas League	Arkansas	Class D	1924
Western Association	Arkansas, Colorado, Illinois, Indiana, Iowa, Kansas, Kentucky, Ohio, Oklahoma, Michigan, Minnesota, Missouri, Nebraska, Texas, West Virginia	Class D Class C	1911, 1914–1917, 1920–1932, 1934–1954
Western Canada League	Alberta, Manitoba, Saskatchewan	Class D Class C Class B	1907, 1910–1914, 1919–1921
Western Carolina League	North Carolina	Class D	1948–1952, 1960–1962
Western Carolinas League	North Carolina, South Carolina	Class D Class A	1948–1952, 1960–1979
Western International League	Washington, Alberta, British Columbia	Class B Class A	1922, 1937–1942, 1946–1954
Western League	Colorado, Iowa, Illinois, Kansas, Minnesota, Missouri, Nebraska, New Mexico, Oklahoma, Texas, Wisconsin	Class A	1900–1937, 1947–1958
Western League	Colorado, Iowa, Minnesota, Nebraska, South Dakota, Wyoming	Class D	1939–1941
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, 1926-1927, 1932
Wisconsin State League	Illinois, Wisconsin	Class D	1905–1907, 1922-1925, 1928-1931, 1940-1942, 1946-1953