| Williamson, Patrick L.; 1917 Red Book; 1917 | 1917 Red Book | 1917-00-00 | NIAGARA | Captain |
| Williamson, Patrick L.; 1918 Red Book; 1918 | 1918 Red Book | 1918-00-00 | NIAGARA | Captain |
| Williamson, Patrick L.; 1919 Red Book; 1919 | 1919 Red Book | 1919-00-00 | NIAGARA | Captain |
| Williamson, Patrick L.; 1920 Red Book; 1920 | 1920 Red Book | 1920-00-00 | NIAGARA | Captain |
| Williamson, Patrick L.; 1921 Red Book; 1921 | 1921 Red Book | 1921-00-00 | M. A. REEB | Captain |
| Williamson, Patrick L.; 1922 Red Book; 1922 | 1922 Red Book | 1922-00-00 | G. N. WILSON | Captain |
| Williamson, Patrick L.; 1923 Red Book; 1923 | 1923 Red Book | 1923-00-00 | ADAM E. CORNELIUS | Captain |
| Williamson, Patrick L.; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | CLIFFORD F. MOLL | Captain |
| Williamson, Patrick L.; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | CLIFFORD F. MOLL | Captain |
| Williamson, Patrick L.; 1926 Red Book | 1926 Red Book | | JACOB T. KOPP | Captain |
| Williamson, Patrick L.; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | JACOB T. KOPP | Captain |
| Williamson, Patrick L.; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | HARRY YATES | Captain |
| Williamson, Patrick L.; 1930 Red Book; 1930 | 1930 Red Book | 1930-00-00 | HARRY YATES | Captain |
| Williamson, Patrick L.; 1931 Red Book; 1931 | 1931 Red Book | 1931-00-00 | HARRY YATES | Captain |
| Williamson, Patrick L.; 1935 Red Book; 1935 | 1935 Red Book | 1935-00-00 | DIAMOND ALKALI | Captain |
| Williamson, Patrick L.; 1936 Red Book; 1936 | 1936 Red Book | 1936-00-00 | DIAMOND ALKALI | Captain |
| Williamson, Patrick L.; 1937 Red Book; 1937 | 1937 Red Book | 1937-00-00 | GEORGE F. RAND | Captain |
| Williamson, Patrick L.; 1940 Red Book; 1940 | 1940 Red Book | 1940-00-00 | JOSEPH F. SCHOELLKOPF JR. | Captain |
| Williamson, Patrick L.; 1941 Red Book; 1941 | 1941 Red Book | 1941-00-00 | JOSEPH F. SCHOELLKOPF JR. | Captain |
| Williamson, Patrick L.; 1942 Red Book; 1942 | 1942 Red Book | 1942-00-00 | JOSEPH F. SCHOELLKOPF JR. | Captain |
| Williamson, Patrick L.; 1943 Red Book; 1943 | 1943 Red Book | 1943-00-00 | UNITED STATES GYPSUM | Captain |
| Williamson, Patrick L.; LCA Bulletin August, 1939 | LCA Bulletin August, 1939 | 1939-00-00 | UNITED STATES GYPSUM | Captain |