American soccer writing, history & data.
| League | Abbreviation | Years |
|---|---|---|
| A-League | A-League | 1990-1996 |
| American Association Football League | AAFL | 1894-1894 |
| American Association of Professional Football | AAPF | 1894-1894 |
| American Indoor Soccer League | AISL | 2002-2003 |
| American Indoor Soccer League | AISL | 2004-2008 |
| American League of Professional Football | ALPF | 1894-1894 |
| American Soccer Football League | ASFL | 1911-1912 |
| American Soccer League | ASL | 1921-1930 |
| American Soccer League | ASL | 1930-1933 |
| American Soccer League | ASL | 1933-1983 |
| American Soccer League | ASL | 1988-1989 |
| American Soccer League | ASL | 2014-2017 |
| American Soccer League, New England Division | ASL-NE | 1933-1944 |
| American Soccer League, New England Division | ASL-NE | 1951-1953 |
| American Soccer League of St. Louis | ASLSL | 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 |
| Atlantic Coast Soccer League | ACSL | 1929-1930 |