| Opp, Wilbur; 1947 Red Book; 1947 | 1947 Red Book | 1947-00-00 | MASCOT | Captain |
| Opp, Wilbur; 1949 Blue Book; 1949 | 1949 Blue Book | 1949-00-00 | DIAMOND ALKALI | Third Mate |
| Opp, Wilbur; 1968 Red Book; 1968 | 1968 Red Book | 1968-00-00 | HARRIS N. SNYDER | Captain |
| Opp, Wilbur; 1969 Red Book; 1969 | 1969 Red Book | 1969-00-00 | HARRIS N. SNYDER | Captain |
| Opp, Wilbur; 1970 Red Book; 1970 | 1970 Red Book | 1970-00-00 | JOSEPH S. YOUNG | Captain |
| Opp, Wilbur; 1971 Red Book; 1971 | 1971 Red Book | 1971-00-00 | JOSEPH S. YOUNG | Captain |
| Opp, Wilbur; 1972 Red Book; 1972 | 1972 Red Book | 1972-00-00 | JOHN T. HUTCHINSON | Captain |
| Opp, Wilbur; 1973 Red Book; 1973 | 1973 Red Book | 1973-00-00 | JOHN T. HUTCHINSON | Captain |
| Opp, Wilbur; 1974 Red Book; 1974 | 1974 Red Book | 1974-00-00 | JOHN T. HUTCHINSON | Captain |
| Opp, Wilbur; 1975 ASC Appointment List; 1975 | 1975 ASC Appointment List | 1975-00-00 | JOHN T. HUTCHINSON | Captain |
| Opp, Wilbur; 1976 Red Book; 1976 | 1976 Red Book | 1976-00-00 | MCKEE SONS | Captain |
| Opp, Wilbur; 1977 Red Book; 1977 | 1977 Red Book | 1977-00-00 | ADAM E. CORNELIUS | Captain |
| Opp, Wilbur; 6/48 Great Lakes Review; 1948 | 6/48 Great Lakes Review | 1948-00-00 | FONTANA | Third Mate |