| Hudson, John H.; ISMA Directory; 1906 | ISMA Directory | 1906-00-00 | REDFERN, C.E. | Captain |
| Hudson, John H.; ISMA Directory; 1913 | ISMA Directory | 1913-00-00 | IROQUOIS | Captain |
| Hudson, John H.; ISMA Directory; 1914 | ISMA Directory | 1914-00-00 | IROQUOIS | Captain |
| Hudson, John H.; ISMA Directory; 1916 | ISMA Directory | 1916-00-00 | CROWE, G.R. | Captain |
| Hudson, John H.; ISMA Directory; 1918 | ISMA Directory | 1918-00-00 | TORONTO | Captain |
| Hudson, John H.; ISMA Directory; 1926 | ISMA Directory | 1926-00-00 | OSLER, E.B. | Captain |
| Hudson, John H.; ISMA Directory; 1927 | ISMA Directory | 1927-00-00 | DONNACONA | Captain |
| Hudson, John H.; ISMA Directory; 1929 | ISMA Directory | 1929-00-00 | DONNACONA | Captain |