| Spencer, Willis B.; 1937 Red Book; 1937 | 1937 Red Book | 1937-00-00 | CANOPUS | Captain |
| Spencer, Willis B.; 1940 Red Book; 1940 | 1940 Red Book | 1940-00-00 | FAYETTE BROWN | Captain |
| Spencer, Willis B.; 1941 Red Book; 1941 | 1941 Red Book | 1941-00-00 | HARRY W. CROFT | Captain |
| Spencer, Willis B.; Great Lakes News 11/39; 1939 | Great Lakes News 11/39 | 1939-00-00 | ARCTURUS | Captain |
| Spencer, Willis B.; Great Lakes News 9/47; 1947 | Great Lakes News 9/47 | 1947-00-00 | JOSEPH SELLWOOD | Captain |
| Spencer, Willis B.; Great Lakes Review 1/53; 1953 | Great Lakes Review 1/53 | 1953-00-00 | HARRY W. CROFT | Captain |
| Spencer, Willis B.; Interlake Log April 1953 | Interlake Log April 1953 | 1953-00-00 | J. H. BARRON | coalpasser |
| Spencer, Willis B.; Interlake Log April 1953 | Interlake Log April 1953 | 1953-00-00 | J. C. WALLACE | Wheelsman |
| Spencer, Willis B.; Interlake Log April 1953 | Interlake Log April 1953 | 1953-00-00 | SIRIUS | Second Mate |
| Spencer, Willis B.; Interlake Log April 1953 | Interlake Log April 1953 | 1953-00-00 | SIRIUS | First Mate |
| Spencer, Willis B.; Interlake Log April 1953 | Interlake Log April 1953 | 1953-00-00 | LAGONDA | Captain |
| Spencer, Willis B.; Interlake Log April 1953 | Interlake Log April 1953 | 1953-00-00 | | Shore Captain |
| Spencer, Willis B.; Interlake Log April 1953 | Interlake Log April 1953 | 1953-00-00 | | Shore Captain |
| Spencer, Willis B.; LCA Bulletin August, 1939 | LCA Bulletin August, 1939 | 1939-00-00 | PERSEUS | Captain |