| Williams, John; ISMA Directory; 1906 | ISMA Directory | 1906-00-00 | ALGONQUIN | Captain |
| Williams, John; ISMA Directory; 1907 | ISMA Directory | 1907-00-00 | ALGONQUIN | Captain |
| Williams, John; ISMA Directory; 1908 | ISMA Directory | 1908-00-00 | IROQUOIS | Captain |
| Williams, John; ISMA Directory; 1909 | ISMA Directory | 1909-00-00 | MATTHEWS, W.D. | Captain |
| Williams, John; ISMA Directory; 1910 | ISMA Directory | 1910-00-00 | MATTHEWS, W.D. | Captain |
| Williams, John; ISMA Directory; 1911 | ISMA Directory | 1911-00-00 | MATTHEWS, W.D. | Captain |
| Williams, John; ISMA Directory; 1912 | ISMA Directory | 1912-00-00 | MATTHEWS, W.D. | Captain |
| Williams, John; ISMA Directory; 1913 | ISMA Directory | 1913-00-00 | OSLER, E.B. | Captain |
| Williams, John; ISMA Directory; 1914 | ISMA Directory | 1914-00-00 | | Captain |
| Williams, John; ISMA Directory; 1916 | ISMA Directory | 1916-00-00 | | Captain |