| Tobin, Gordon; ISMA Directory; 1914 | ISMA Directory | 1914-00-00 | | Captain |
| Tobin, Gordon; ISMA Directory; 1916 | ISMA Directory | 1916-00-00 | | Captain |
| Tobin, Gordon; ISMA Directory; 1917 | ISMA Directory | 1917-00-00 | | Captain |
| Tobin, Gordon; ISMA Directory; 1918 | ISMA Directory | 1918-00-00 | | Captain |
| Tobin, Gordon; ISMA Directory; 1919 | ISMA Directory | 1919-00-00 | | Captain |
| Tobin, Gordon; ISMA Directory; 1920 | ISMA Directory | 1920-00-00 | | Captain |
| Tobin, Gordon; ISMA Directory; 1921 | ISMA Directory | 1921-00-00 | | Captain |
| Tobin, Gordon; ISMA Directory; 1922 | ISMA Directory | 1922-00-00 | | Captain |
| Tobin, Gordon; ISMA Directory; 1923 | ISMA Directory | 1923-00-00 | | Captain |
| Tobin, Gordon; ISMA Directory; 1924 | ISMA Directory | 1924-00-00 | | Captain |