| Schwimmer, William; ISMA Directory; 1934 | ISMA Directory | 1934-00-00 | | Captain |
| Schwimmer, William; ISMA Directory; 1935 | ISMA Directory | 1935-00-00 | | Captain |
| Schwimmer, William; ISMA Directory; 1936 | ISMA Directory | 1936-00-00 | | Captain |
| Schwimmer, William; ISMA Directory; 1937 | ISMA Directory | 1937-00-00 | | Captain |
| Schwimmer, William; ISMA Directory; 1940 | ISMA Directory | 1940-00-00 | | |
| Schwimmer, William; ISMA Directory; 1941 | ISMA Directory | 1941-00-00 | | |
| Schwimmer, William; ISMA Directory; 1942 | ISMA Directory | 1942-00-00 | | |
| Schwimmer, William; ISMA Directory; 1943 | ISMA Directory | 1943-00-00 | | |
| Schwimmer, William; ISMA Directory; 1944 | ISMA Directory | 1944-00-00 | | |
| Schwimmer, William; ISMA Directory; 1945 | ISMA Directory | 1945-00-00 | | |
| Schwimmer, William; ISMA Directory; 1946 | ISMA Directory | 1946-00-00 | | |
| Schwimmer, William; ISMA Directory; 1947 | ISMA Directory | 1947-00-00 | | |
| Schwimmer, William; ISMA Directory; 1948 | ISMA Directory | 1948-00-00 | | |
| Schwimmer, William; ISMA Directory; 1949 | ISMA Directory | 1949-00-00 | | |