| Cuban Winter League |
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| Independent Negro |
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Atlantic City Bacharach Giants, Baltimore Black Sox, Brooklyn Royal Giants, Havana Cuban Stars (East), Madison Stars, New York Lincoln Giants, Norfolk All-stars, Pennsylvania Red Caps of NY,
Pensacola Giants, Philadelphia Giants of NY, Philadelphia Hilldale Giants, Pittsburgh Stars of Buffalo |
| California Winter League |
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| American Association |
AA |
Columbus Senators, Indianapolis Indians, Kansas City Blues, Louisville Colonels, Milwaukee Brewers, Minneapolis Millers, St. Paul Saints, Toledo Mud Hens |
| International League |
AA |
Akron Buckeyes, Baltimore Orioles, Buffalo Bisons, Jersey City Skeeters, Reading Marines, Rochester Hustlers, Syracuse Stars, Toronto Maple Leafs |
| Pacific Coast League |
AA |
Los Angeles Angels, Oakland Oaks, Portland Beavers, Sacramento Senators, Salt Lake City Bees, San Francisco Seals, Seattle Rainiers, Vernon Tigers |
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| Eastern League |
A |
Albany Senators, Bridgeport Americans, Hartford Senators, New Haven Weissmen, Pittsfield Hillies, Springfield Hampdens, Waterbury Brasscos, Worcester Boosters |
| Southern Association |
A |
Atlanta Crackers, Birmingham Barons, Chattanooga Lookouts, Little Rock Travelers, Memphis Chickasaws, Mobile Bears, Nashville Volunteers, New Orleans Pelicans |
| Western League |
A |
Des Moines Boosters, Joplin Miners, Oklahoma City Indians, Omaha Rourkes, Sioux City Packers, St. Joseph Saints, Tulsa Oilers, Wichita Jobbers |
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| Central League |
B |
Grand Rapids Joshers, Kalamazoo Celery Pickers, Ludington Mariners, Muskegon Muskies |
| Illinois-Indiana-Iowa League |
B |
Bloomington Bloomers, Cedar Rapids Rabbits, Evansville Evas, Moline Plowboys, Peoria Tractors, Rock Island Islanders, Rockford Rox, Terre Haute Browns |
| Michigan-Ontario League |
B |
Battle Creek Custers, Bay City Wolves, Brantford Red Sox, Flint Halligans, Hamilton Tigers, Kitchener Beavers, London Tecumsehs, Saginaw Aces |
| Pacific Coast International League |
B |
Seattle Giants, Spokane Indians, Tacoma Tigers, Vancouver Beavers, Victoria Islanders, Yakima Indians |
| Texas League |
B |
Beaumont Exporters, Dallas Submarines, Fort Worth Panthers, Galveston Pirates, Houston Buffaloes, San Antonio Bears, Shreveport Gassers, Wichita Falls Spudders |
| Virginia League |
B |
Newport News Shipbuilders, Norfolk Mary Janes, Petersburg Goobers, Portsmouth Truckers, Richmond Colts, Rocky Mount Tar Heels, Suffolk Nuts, Wilson Bugs |
| Western Canada League |
B |
Calgary Bronchos, Edmonton Eskimos, Moose Jaw Robin Hoods, Regina Senators, Saskatoon Quakers, Winnipeg Maroons |
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| South Atlantic League |
C |
Augusta Georgians, Charleston Palmettos, Charlotte Hornets, Columbia Comers, Greenville Spinners, Spartanburg Pioneers |
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| Blue Grass League |
D |
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| Blue Ridge League |
D |
Chambersburg Maroons, Frederick Hustlers, Hagerstown Champs, Hanover Raiders, Martinsburg Mountaineers, Waynesboro Red Birds |
| Florida State League |
D |
Bartow Polkers, Bradenton Growers, Daytona Beach Islanders, Lakeland Highlanders, Orlando Caps, Sanford Celeryfeds, St. Petersburg Saints, Tampa Smokers |
| Georgia State League |
D |
Carrollton, Cedartown Cedars, Griffin, La Grange, Lindale Pepperells, Rome |
| Louisiana State League |
D |
Abbeville Sluggers, Alexandria Tigers, Lafayette Hubs, New Iberia Sugar Boys, Oakdale Lumberjacks, Rayne Rice Birds |
| Piedmont League |
D |
Danville Tobacconists, Durham Bulls, Greensboro Patriots, High Point Furniture Makers, Raleigh Nats, Winston-Salem Twins |
| South Dakota League |
D |
Aberdeen Boosters, Huron Packers, Madison Greys, Miller Climbers/Jugglers, Mitchell Kernels, Redfield Reds, Sioux Falls Soos, Wessington Springs Saints |
| West Texas League |
D |
Abilene Eagles, Cisco Scouts, Eastland Judges, Gorman Buddies/Sweetwater Swatters, Mineral Wells Resorters, Ranger Nitros |
| Western Association |
D |
Chickasha Chicks, Drumright Drummers, Enid Harvesters, Fort Smith Twins, Henryetta Hens, Okmulgee Drillers, Pawhuska Huskers, Springfield Merchants |
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| Cuban League |
Foreign |
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| Negro Southern League |
Negro |
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| Negro National League |
Negro Majors |
Chicago American Giants, Chicago Giants, Cincinnati Cuban Stars (West), Dayton Marcos, Detroit Stars, Indianapolis ABCs, Kansas City Monarchs, St. Louis Giants |
| Southern Negro League |
Negro Majors |
Atlanta Black Crackers, Birmingham Black Barons, Chattanooga Black Lookouts, Jacksonville Red Caps, Memphis Red Sox, Nashville Giants, New Orleans Black Pelicans |