| Gemmel, John T.; ISMA Directory; 1906 | ISMA Directory | 1906-00-00 | CORONA | Captain |
| Gemmel, John T.; ISMA Directory; 1907 | ISMA Directory | 1907-00-00 | CORONA | Captain |
| Gemmel, John T.; ISMA Directory; 1908 | ISMA Directory | 1908-00-00 | BUNSEN | Captain |
| Gemmel, John T.; ISMA Directory; 1909 | ISMA Directory | 1909-00-00 | BUNSEN, ROBERT W.E. | Captain |
| Gemmel, John T.; ISMA Directory; 1910 | ISMA Directory | 1910-00-00 | BUNSEN, ROBERT W.E. | Captain |
| Gemmel, John T.; ISMA Directory; 1911 | ISMA Directory | 1911-00-00 | HOUGHTON | Captain |
| Gemmel, John T.; ISMA Directory; 1912 | ISMA Directory | 1912-00-00 | HOUGHTON, DOUGLAS | Captain |
| Gemmel, John T.; ISMA Directory; 1913 | ISMA Directory | 1913-00-00 | HOUGHTON | Captain |
| Gemmel, John T.; ISMA Directory; 1914 | ISMA Directory | 1914-00-00 | HOUGHTON | Captain |
| Gemmel, John T.; ISMA Directory; 1916 | ISMA Directory | 1916-00-00 | PERKINS, GEORGE W. | Captain |
| Gemmel, John T.; ISMA Directory; 1917 | ISMA Directory | 1917-00-00 | LYNCH, THOMAS | Captain |
| Gemmel, John T.; ISMA Directory; 1918 | ISMA Directory | 1918-00-00 | LYNCH, THOMAS | Captain |
| Gemmel, John T.; ISMA Directory; 1919 | ISMA Directory | 1919-00-00 | BAKER | Captain |
| Gemmel, John T.; ISMA Directory; 1920 | ISMA Directory | 1920-00-00 | BAKER | Captain |
| Gemmel, John T.; ISMA Directory; 1921 | ISMA Directory | 1921-00-00 | BAKER | Captain |
| Gemmel, John T.; ISMA Directory; 1922 | ISMA Directory | 1922-00-00 | BAKER | Captain |
| Gemmel, John T.; ISMA Directory; 1923 | ISMA Directory | 1923-00-00 | BAKER, G.F. | Captain |
| Gemmel, John T.; ISMA Directory; 1924 | ISMA Directory | 1924-00-00 | KERR, D.G. | Captain |
| Gemmel, John T.; ISMA Directory; 1925 | ISMA Directory | 1925-00-00 | KERR, D.G. | Captain |
| Gemmel, John T.; ISMA Directory; 1926 | ISMA Directory | 1926-00-00 | KERR, D.G. | Captain |
| Gemmel, John T.; ISMA Directory; 1927 | ISMA Directory | 1927-00-00 | KERR, D.G. | Captain |
| Gemmel, John T.; ISMA Directory; 1928 | ISMA Directory | 1928-00-00 | KERR, D.G. | Captain |
| Gemmel, John T.; ISMA Directory; 1929 | ISMA Directory | 1929-00-00 | KERR, D.G. | Captain |