
Franchises, general
History of MLB Franchises ~
Interactive map, chronological tables, etc., including Federal League and MLB owners.
19th Century Major Leagues ~
Includes many teams and stadiums you've never heard of.
Negro League Franchises ~
The little-known professional baseball leagues from the era of segregation, 1920-1950.
Latin American League Franchises ~
Mexico, Dominican Republic, Venezuela, Nicaragua, Puerto Rico.
Baseball cities ~
Data on population of major metropolitan areas, plus stadium capacity and attendance trends.
Baseball in Washington

Washington Nationals ~ Monthly data, regular players, and prospects for the current year, as well as annual data for each year since 2005.
Washington Nationals Annual History ~ Monthly data, regular players, and reviews of the team's performance for each year since 2005.
Washington Nationals BIG moments ~ 9th inning comebacks, grand slams, walk-off HRs, shutouts, etc. since 2005.
Baseball in D.C. ~
Explains the relocation controversy, including franchise and stadium aspects.
Baseball in D.C. news ~
A detailed news chronology from the six years leading up to the glorious return of baseball to Washington, D.C., as well as the first year and half thereafter.