| Dedman, Merritt; 1922 Red Book; 1922 | 1922 Red Book | 1922-00-00 | GLENCAIRN | Chief Engineer |
| Dedman, Merritt; 1923 Red Book; 1923 | 1923 Red Book | 1923-00-00 | GLENCAIRN | Chief Engineer |
| Dedman, Merritt; 1924 Red Book; 1924 | 1924 Red Book | 1924-00-00 | GLENCAIRN | Chief Engineer |
| Dedman, Merritt; 1925 Red Book; 1925 | 1925 Red Book | 1925-00-00 | GLENCAIRN | Chief Engineer |
| Dedman, Merritt; 1926 Red Book | 1926 Red Book | | GLENSANNOX | Chief Engineer |
| Dedman, Merritt; 1927 Red Book; 1927 | 1927 Red Book | 1927-00-00 | PORTSMOUTH | Chief Engineer |
| Dedman, Merritt; 1928 Red Book; 1928 | 1928 Red Book | 1928-00-00 | PORTSMOUTH | Chief Engineer |
| Dedman, Merritt; 1929 Red Book; 1929 | 1929 Red Book | 1929-00-00 | PORTSMOUTH | Chief Engineer |
| Dedman, Merritt; 1931 Red Book; 1931 | 1931 Red Book | 1931-00-00 | PORTSMOUTH | Chief Engineer |
| Dedman, Merritt; 1932 Red Book; 1932 | 1932 Red Book | 1932-00-00 | PORTSMOUTH | Chief Engineer |
| Dedman, Merritt; 1936 Red Book; 1936 | 1936 Red Book | 1936-00-00 | OSLER | Chief Engineer |
| Dedman, Merritt; 1937 Red Book; 1937 | 1937 Red Book | 1937-00-00 | OSLER | Chief Engineer |
| Dedman, Merritt; 1938 Red Book; 1938 | 1938 Red Book | 1938-00-00 | OSLER | Chief Engineer |
| Dedman, Merritt; 1939 Red Book; 1939 | 1939 Red Book | 1939-00-00 | OSLER | Chief Engineer |
| Dedman, Merritt; 1940 Red Book; 1940 | 1940 Red Book | 1940-00-00 | COLLINGWOOD | Chief Engineer |
| Dedman, Merritt; 1941 Red Book; 1941 | 1941 Red Book | 1941-00-00 | COLLINGWOOD | Chief Engineer |
| Dedman, Merritt; 1942 Red Book; 1942 | 1942 Red Book | 1942-00-00 | COLLINGWOOD | Chief Engineer |
| Dedman, Merritt; 1943 Red Book; 1943 | 1943 Red Book | 1943-00-00 | COLLINGWOOD | Chief Engineer |
| Dedman, Merritt; 1944 Red Book; 1944 | 1944 Red Book | 1944-00-00 | COLLINGWOOD | Chief Engineer |
| Dedman, Merritt; 1946 Red Book; 1946 | 1946 Red Book | 1946-00-00 | GODERICH | Chief Engineer |
| Dedman, Merritt; 1948 Red Book; 1948 | 1948 Red Book | 1948-00-00 | WESTMOUNT | Chief Engineer |
| Dedman, Merritt; 1949 Red Book; 1949 | 1949 Red Book | 1949-00-00 | WESTMOUNT | Chief Engineer |
| Dedman, Merritt; Great Lakes News 10/45; 1945 | Great Lakes News 10/45 | 1945-00-00 | COLLINGWOOD | Chief Engineer |
| Dedman, Merritt; Great Lakes News 5/44; 1944 | Great Lakes News 5/44 | 1944-00-00 | EMPEROR | Chief Engineer |