National Association of Professional Baseball Leagues

Smithsonian NMAAHC on X: #OTD in 1920, the Negro National League, first Black professional baseball league, was created. The National Association of Amateur Baseball Players rejected African Americans and in 1876, owners

Foundations of US Major Professional Leagues timeline

All-American Girls Professional Baseball League

National Association of Professional Baseball Leagues, Silver Jubilee 1902-1926 is a hardcover book published in 1926 to give historical context to

National Assoc. Professional Baseball Leagues 1902-1926 Hardcover History Book

Japan baseball history

Major League Baseball Team Logos

Lot Detail - 1965 National Association of Professional Baseball Leagues (Entire MiLB) Pass for Red Sox Scout Maurice DeLoof

Official guide of the National association of professional base ball leagues for 1901-1904

Baseball History: 19th Century Baseball: Leagues: Page 2

Drawing the Color Line: 1860s to 1890s, Baseball, the Color Line, and Jackie Robinson, Articles and Essays, By Popular Demand: Jackie Robinson and Other Baseball Highlights, 1860s-1960s

The Official Site of Minor League Baseball