| Robertson, Wilmer | | | CHARLES S. HEBARD | First Mate |
| Robertson, Wilmer; 1949 Blue Book; 1949 | 1949 Blue Book | 1949-00-00 | J. E. UPSON | First Mate |
| Robertson, Wilmer; Great Lakes News 12/41; 1941 | Great Lakes News 12/41 | 1941-00-00 | ROBERT L. IRELAND | First Mate |
| Robertson, Wilmer; Great Lakes News 4/45; 1945 | Great Lakes News 4/45 | 1945-00-00 | J. E. UPSON | First Mate |
| Robertson, Wilmer; Great Lakes News 7/43; 1943 | Great Lakes News 7/43 | 1943-00-00 | J. E. UPSON | First Mate |
| Robertson, Wilmer; Great Lakes Review. 1944 | Great Lakes Review. 1944 | 1944-00-00 | J. E. UPSON | First Mate |