| McMahon, James H.; 1937 Blue Book; 1937 | 1937 Blue Book | 1937-00-00 | HOWARD L. SHAW | Third Assistant |
| McMahon, James H.; 1941 Great Lakes Blue Book (?); 1941 | 1941 Great Lakes Blue Book (?) | 1941-00-00 | ZENITH CITY | Second Assistant |
| McMahon, James H.; Great Lakes News 6/43; 1943 | Great Lakes News 6/43 | 1943-00-00 | J. P. MORGAN JR. | Second Assistant |
| McMahon, James H.; Great Lakes News 6/44; 1944 | Great Lakes News 6/44 | 1944-00-00 | EUGENE W. PARGNY | Second Assistant |
| McMahon, James H.; LCA Bulletin 5/37; 1937 | LCA Bulletin 5/37 | 1937-00-00 | | Oiler |
| McMahon, James H.; LCA Bulletin 5/37; 1937 | LCA Bulletin 5/37 | 1937-00-00 | | Second Assistant |