| Duffett, John G. | | | D. G. KERR | Third Mate |
| Duffett, John G. | | | THOMAS W. LAMONT | First Mate |
| Duffett, John G. | | | PETER A. B. WIDENER | Captain |
| Duffett, John G. | | | JOHN W. GATES | Captain |
| Duffett, John G. | | | WILLIAM E. COREY | First Mate |
| Duffett, John G. | | | PERCIVAL ROBERTS JR. | Captain |
| Duffett, John G.; 1930 Blue Book; 1930 | 1930 Blue Book | 1930-00-00 | SIR WILLIAM FAIRBAIRN | Second Mate |
| Duffett, John G.; 1937 Blue Book; 1937 | 1937 Blue Book | 1937-00-00 | RICHARD V. LINDABURY | Second Mate |
| Duffett, John G.; 1941 Great Lakes Blue Book (?); 1941 | 1941 Great Lakes Blue Book (?) | 1941-00-00 | JOHN H. MCLEAN | First Mate |
| Duffett, John G.; 1949 Blue Book; 1949 | 1949 Blue Book | 1949-00-00 | RICHARD V. LINDABURY | First Mate |
| Duffett, John G.; 1959 Red Book; 1959 | 1959 Red Book | 1959-00-00 | JAMES A. FARRELL | Captain |
| Duffett, John G.; 1960 Red Book; 1960 | 1960 Red Book | 1960-00-00 | D. G. KERR | Captain |
| Duffett, John G.; 1961 Red Book; 1961 | 1961 Red Book | 1961-00-00 | D. G. KERR | Captain |
| Duffett, John G.; 1962 Red Book; 1962 | 1962 Red Book | 1962-00-00 | EUGENE P. THOMAS | Captain |
| Duffett, John G.; 1963 Red Book; 1963 | 1963 Red Book | 1963-00-00 | RALPH H. WATSON | Captain |
| Duffett, John G.; 1964 Red Book; 1964 | 1964 Red Book | 1964-00-00 | RALPH H. WATSON | Captain |
| Duffett, John G.; 1965 Red Book; 1965 | 1965 Red Book | 1965-00-00 | RALPH H. WATSON | Captain |
| Duffett, John G.; Great Lakes News 4/44; 1944 | Great Lakes News 4/44 | 1944-00-00 | JOSHUA A. HATFIELD | First Mate |
| Duffett, John G.; Great Lakes News 6/43; 1943 | Great Lakes News 6/43 | 1943-00-00 | RICHARD TRIMBLE | First Mate |
| Duffett, John G.; Pittsburgh Revised Line Up, 5/16; 1916 | Pittsburgh Revised Line Up, 5/16 | 1916-00-00 | J. PIERPONT MORGAN | Wheelsman |
| Duffett, John G.; R. A. Phillips Collection | R. A. Phillips Collection | | J. P. MORGAN JR. | Wheelsman |
| Duffett, John G.; R. A. Phillips Collection | R. A. Phillips Collection | | RICHARD TRIMBLE | Second Mate |
| Duffett, John G.; R. A. Phillips Collection | R. A. Phillips Collection | | JOHN H. MCLEAN | First Mate |
| Duffett, John G.; R. A. Phillips Collection | R. A. Phillips Collection | | EUGENE J. BUFFINGTON | First Mate |
| Duffett, John G.; R. A. Phillips Collection | R. A. Phillips Collection | | RICHARD V. LINDABURY | First Mate |
| Duffett, John G.; R. A. Phillips Collection | R. A. Phillips Collection | | RICHARD V. LINDABURY | First Mate |
| Duffett, John G.; R. A. Phillips Collection | R. A. Phillips Collection | | HOMER D. WILLIAMS | First Mate |
| Duffett, John G.; R. A. Phillips Collection | R. A. Phillips Collection | | A. H. FERBERT | First Mate |
| Duffett, John G.; R. A. Phillips Collection | R. A. Phillips Collection | | IRVING S. OLDS | First Mate |
| Duffett, John G.; R. A. Phillips Collection | R. A. Phillips Collection | | JOHN HULST | First Mate |
| Duffett, John G.; USS Forward End & Cook Assignments, March 9 | USS Forward End & Cook Assignments, March 9 | | ROBERT C. STANLEY | First Mate |
| Duffett, John G.; USS Forward End Officers, 8/13 | USS Forward End Officers, 8/13 | | B. F. AFFLECK | First Mate |
| Duffett, John G.; USS Forward Officer Assignments, April | USS Forward Officer Assignments, April | | B. F. AFFLECK | First Mate |