American soccer writing, history & data.
| Season | Name | Abbreviation | Champion | Champion (Tier 2) | Champion (Tier 3) |
|---|---|---|---|---|---|
| 1926 | National Soccer League | CNSL | - | - | - |
| 1927 | National Soccer League | CNSL | - | - | - |
| 1928 | National Soccer League | CNSL | - | - | - |
| 1929 | National Soccer League | CNSL | - | - | - |
| 1930 | National Soccer League | CNSL | - | - | - |
| 1931 | National Soccer League | CNSL | - | - | - |
| 1932 | National Soccer League | CNSL | - | - | - |
| 1933 | National Soccer League | CNSL | - | - | - |
| 1934 | National Soccer League | CNSL | - | - | - |
| 1935 | National Soccer League | CNSL | - | - | - |
| 1936 | National Soccer League | CNSL | - | - | - |
| 1937 | National Soccer League | CNSL | - | - | - |
| 1938 | National Soccer League | CNSL | - | - | - |
| 1939 | National Soccer League | CNSL | - | - | - |
| 1940 | National Soccer League | CNSL | - | - | - |
| 1941 | National Soccer League | CNSL | - | - | - |