| Knapp, Charles R. | | | | First Assistant |
| Knapp, Charles R. | | | | First Assistant |
| Knapp, Charles R.; 1949 Blue Book; 1949 | 1949 Blue Book | 1949-00-00 | SEWELL AVERY | Second Assistant |
| Knapp, Charles R.; 1967 Red Book; 1967 | 1967 Red Book | 1967-00-00 | WILLIAM J. FILBERT | Chief Engineer |
| Knapp, Charles R.; Great Lakes News 6/43; 1943 | Great Lakes News 6/43 | 1943-00-00 | WILLIAM J. OLCOTT | Third Assistant |
| Knapp, Charles R.; Great Lakes News 6/44; 1944 | Great Lakes News 6/44 | 1944-00-00 | HARVARD | Second Assistant |
| Knapp, Charles R.; R. A. Phillips Collection | R. A. Phillips Collection | | PERCIVAL ROBERTS JR. | First Assistant |
| Knapp, Charles R.; R. A. Phillips Collection | R. A. Phillips Collection | | GEORGE G. CRAWFORD | First Assistant |
| Knapp, Charles R.; R. A. Phillips Collection | R. A. Phillips Collection | | A. F. HARVEY | First Assistant |
| Knapp, Charles R.; R. A. Phillips Collection | R. A. Phillips Collection | | HORACE JOHNSON | First Assistant |