| Simpson, R. D.; ISMA Directory; 1907 | ISMA Directory | 1907-00-00 | TURRET CAPE | Captain |
| Simpson, R. D.; ISMA Directory; 1908 | ISMA Directory | 1908-00-00 | TURRET CAPE | Captain |
| Simpson, R. D.; ISMA Directory; 1909 | ISMA Directory | 1909-00-00 | TURRET CAPE | Captain |
| Simpson, R. D.; ISMA Directory; 1910 | ISMA Directory | 1910-00-00 | TURRET CAPE | Captain |
| Simpson, R. D.; ISMA Directory; 1911 | ISMA Directory | 1911-00-00 | TURRET CAPE | Captain |
| Simpson, R. D.; ISMA Directory; 1912 | ISMA Directory | 1912-00-00 | MAPLETON | Captain |
| Simpson, R. D.; ISMA Directory; 1913 | ISMA Directory | 1913-00-00 | SCOTTISH HERO | Captain |
| Simpson, R. D.; ISMA Directory; 1914 | ISMA Directory | 1914-00-00 | SCOTTISH HERO | Captain |
| Simpson, R. D.; ISMA Directory; 1916 | ISMA Directory | 1916-00-00 | | |
| Simpson, R. D.; ISMA Directory; 1918 | ISMA Directory | 1918-00-00 | HOME RULE | Captain |
| Simpson, R. D.; ISMA Directory; 1924 | ISMA Directory | 1924-00-00 | CANADIAN SAILOR | Captain |
| Simpson, R. D.; ISMA Directory; 1927 | ISMA Directory | 1927-00-00 | ALTADOC | Captain |
| Simpson, R. D.; ISMA Directory; 1928 | ISMA Directory | 1928-00-00 | WINDOC | Captain |
| Simpson, R. D.; ISMA Directory; 1929 | ISMA Directory | 1929-00-00 | WINDOC | Captain |
| Simpson, R. D.; ISMA Directory; 1931 | ISMA Directory | 1931-00-00 | WINDOC | Captain |