| Litchfield, Robert M.; 1941 Great Lakes Blue Book (?); 1941 | 1941 Great Lakes Blue Book (?) | 1941-00-00 | HENRY H. ROGERS | Third Assistant |
| Litchfield, Robert M.; 1949 Blue Book; 1949 | 1949 Blue Book | 1949-00-00 | RALPH H. WATSON | Second Assistant |
| Litchfield, Robert M.; Great Lakes News 6/43; 1943 | Great Lakes News 6/43 | 1943-00-00 | MALIETOA | Second Assistant |
| Litchfield, Robert M.; Great Lakes News 6/44; 1944 | Great Lakes News 6/44 | 1944-00-00 | JOSHUA A. HATFIELD | Second Assistant |
| Litchfield, Robert M.; LCA Bulletin, June, 1940 | LCA Bulletin, June, 1940 | 1940-00-00 | GEORGE G. CRAWFORD | Oiler |
| Litchfield, Robert M.; LCA Bulletin, June, 1940 | LCA Bulletin, June, 1940 | 1940-00-00 | HENRY C. FRICK | Third Assistant |