| Shafer, William; 1905 Red Book; 1905 | 1905 Red Book | 1905-00-00 | GROVER | Captain |
| Shafer, William; 1914 Red Book; 1914 | 1914 Red Book | 1914-00-00 | GOLDEN AGE | Captain |
| Shafer, William; 1918 Red Book; 1918 | 1918 Red Book | 1918-00-00 | IRON CLIFF | Captain |
| Shafer, William; 1919 Red Book; 1919 | 1919 Red Book | 1919-00-00 | IRON CLIFF | Captain |
| Shafer, William; 1920 Red Book; 1920 | 1920 Red Book | 1920-00-00 | JOHN J. BARLUM | Captain |
| Shafer, William; 1923 Red Book; 1923 | 1923 Red Book | 1923-00-00 | CONSTITUTION | Captain |
| Shafer, William; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | IRON CLIFF | Captain |
| Shafer, William; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | CHATTANOOGA | Captain |
| Shafer, William; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | CONSTITUTION | Captain |
| Shafer, William; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | CONSTITUTION | Captain |
| Shafer, William; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | CONSTITUTION | Captain |
| Shafer, William; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | GUARDIAN | Captain |
| Shafer, William; Toronto Historical Soc. | Toronto Historical Soc. | | NEFF | First Mate |