| Blessing, G.; ISMA Directory; 1919 | ISMA Directory | 1919-00-00 | LINN | Captain |
| Blessing, G.; ISMA Directory; 1920 | ISMA Directory | 1920-00-00 | EADS | Captain |
| Blessing, G.; ISMA Directory; 1921 | ISMA Directory | 1921-00-00 | EADS | Captain |
| Blessing, G.; ISMA Directory; 1922 | ISMA Directory | 1922-00-00 | STEPHENSON | Captain |
| Blessing, G.; ISMA Directory; 1923 | ISMA Directory | 1923-00-00 | MCDOUGALL | Captain |
| Blessing, G.; ISMA Directory; 1925 | ISMA Directory | 1925-00-00 | MCDOUGALL | Captain |
| Blessing, G.; ISMA Directory; 1926 | ISMA Directory | 1926-00-00 | SHAW, H.L. | |
| Blessing, G.; ISMA Directory; 1927 | ISMA Directory | 1927-00-00 | | |
| Blessing, G.; ISMA Directory; 1928 | ISMA Directory | 1928-00-00 | | |
| Blessing, G.; ISMA Directory; 1929 | ISMA Directory | 1929-00-00 | | |
| Blessing, G.; ISMA Directory; 1918 | ISMA Directory | 1918-00-00 | ROCKEFELLER | Captain |