| Bobula, John P.; 1960 Red Book; 1960 | 1960 Red Book | 1960-00-00 | LEONARD C. HANNA | Captain |
| Bobula, John P.; Great Lake Review 3/43; 1943 | Great Lake Review 3/43 | 1943-00-00 | SAUCON | Third Mate |
| Bobula, John P.; Great Lakes News 4/40; 1940 | Great Lakes News 4/40 | 1940-00-00 | LEONARD C. HANNA | Third Mate |
| Bobula, John P.; Great Lakes News 4/45; 1945 | Great Lakes News 4/45 | 1945-00-00 | EDWARD Y. TOWNSEND | Second Mate |
| Bobula, John P.; Great Lakes News 4/46; 1946 | Great Lakes News 4/46 | 1946-00-00 | WILLIAM H. DONNER | Second Mate |
| Bobula, John P.; Great Lakes Review 11/43; 1943 | Great Lakes Review 11/43 | 1943-00-00 | SAUCON | Third Mate |