| Baker, R. A.; ISMA Directory; 1916 | ISMA Directory | 1916-00-00 | REGULUS | Captain |
| Baker, R. A.; ISMA Directory; 1917 | ISMA Directory | 1917-00-00 | REGULUS | Captain |
| Baker, R. A.; ISMA Directory; 1918 | ISMA Directory | 1918-00-00 | REGULUS | Captain |
| Baker, R. A.; ISMA Directory; 1919 | ISMA Directory | 1919-00-00 | REGULUS | Captain |
| Baker, R. A.; ISMA Directory; 1920 | ISMA Directory | 1920-00-00 | LUPUS | Captain |
| Baker, R. A.; ISMA Directory; 1921 | ISMA Directory | 1921-00-00 | REGULUS | Captain |
| Baker, R. A.; ISMA Directory; 1923 | ISMA Directory | 1923-00-00 | REGULUS | Captain |
| Baker, R. A.; ISMA Directory; 1924 | ISMA Directory | 1924-00-00 | REGULUS | Captain |
| Baker, R. A.; ISMA Directory; 1925 | ISMA Directory | 1925-00-00 | REGULUS | Captain |
| Baker, R. A.; ISMA Directory; 1926 | ISMA Directory | 1926-00-00 | REGULUS | Captain |