American soccer writing, history & data.
| League | Abbreviation | Years |
|---|---|---|
| American Association Football League | AAFL | 1894-1894 |
| American Association of Professional Football | AAPF | 1894-1894 |
| American League of Professional Football | ALPF | 1894-1894 |
| American Professional Soccer League | APSL | 1990-1996 |
| American Soccer Football League | ASFL | 1911-1912 |
| American Soccer League | ASL | 1921-1983 |
| American Soccer League | ASL | 1988-1989 |
| American Soccer League of St. Louis | ASLStL | 1951-1952 |
| Association Football League of St. Louis | AFLStL | 1903-1908 |
| Association Football League of St. Louis | AFLStL | 1904-1905 |
| Association Football League of St. Louis | AFLStL | 1909-1910 |