| Hoffman, Charles D.; 1949 Blue Book; 1949 | 1949 Blue Book | 1949-00-00 | FRANK BILLINGS | First Assistant |
| Hoffman, Charles D.; 1956 Red Book; 1956 | 1956 Red Book | 1956-00-00 | ANDREW S. UPSON | Chief Engineer |
| Hoffman, Charles D.; 1957 Red Book; 1957 | 1957 Red Book | 1957-00-00 | ANDREW S. UPSON | Chief Engineer |
| Hoffman, Charles D.; Great Lake Review 4/42; 1942 | Great Lake Review 4/42 | 1942-00-00 | ALEXANDER MCDOUGALL | Third Assistant |
| Hoffman, Charles D.; Great Lakes News 7/43; 1943 | Great Lakes News 7/43 | 1943-00-00 | ALEXANDER MCDOUGALL | Second Assistant |
| Hoffman, Charles D.; Great Lakes News 8/48; 1948 | Great Lakes News 8/48 | 1948-00-00 | | Second Assistant |
| Hoffman, Charles D.; Great Lakes News 8/48; 1948 | Great Lakes News 8/48 | 1948-00-00 | SIR WILLIAM FAIRBAIRN | First Assistant |
| Hoffman, Charles D.; Great Lakes Review, 5/46; 1946 | Great Lakes Review, 5/46 | 1946-00-00 | FRANK BILLINGS | Second Assistant |
| Hoffman, Charles D.; Great Lakes Review. 1944 | Great Lakes Review. 1944 | 1944-00-00 | ALEXANDER MCDOUGALL | Second Assistant |
| Hoffman, Charles D.; LCA Bulletin 5/42; 1942 | LCA Bulletin 5/42 | 1942-00-00 | CHARLES L. HUTCHINSON | Oiler |