| Thorsen, Clarence A.; 1937 Red Book; 1937 | 1937 Red Book | 1937-00-00 | CALCITE | Captain |
| Thorsen, Clarence A.; 1938 Red Book; 1938 | 1938 Red Book | 1938-00-00 | W. F. WHITE | Captain |
| Thorsen, Clarence A.; 1939 Red Book; 1939 | 1939 Red Book | 1939-00-00 | CALCITE | Captain |
| Thorsen, Clarence A.; 1940 Red Book; 1940 | 1940 Red Book | 1940-00-00 | JOHN G. MUNSON | Captain |
| Thorsen, Clarence A.; 1941 Red Book; 1941 | 1941 Red Book | 1941-00-00 | JOHN G. MUNSON | Captain |
| Thorsen, Clarence A.; 1942 Red Book; 1942 | 1942 Red Book | 1942-00-00 | JOHN G. MUNSON | Captain |
| Thorsen, Clarence A.; 1943 Red Book; 1943 | 1943 Red Book | 1943-00-00 | JOHN G. MUNSON | Captain |
| Thorsen, Clarence A.; 1944 Red Book; 1944 | 1944 Red Book | 1944-00-00 | JOHN G. MUNSON | Captain |
| Thorsen, Clarence A.; 1945 Red Book; 1945 | 1945 Red Book | 1945-00-00 | JOHN G. MUNSON | Captain |
| Thorsen, Clarence A.; 1946 Red Book; 1946 | 1946 Red Book | 1946-00-00 | JOHN G. MUNSON | Captain |
| Thorsen, Clarence A.; 1947 Red Book; 1947 | 1947 Red Book | 1947-00-00 | B. H. TAYLOR | Captain |
| Thorsen, Clarence A.; Great Lakes News 7/36; 1936 | Great Lakes News 7/36 | 1936-00-00 | CARL D. BRADLEY | First Mate |
| Thorsen, Clarence A.; Great Lakes News 7/36; 1936 | Great Lakes News 7/36 | 1936-00-00 | W. F. WHITE | Captain |