| Britz, Ralph M. P.; 12/48 Great Lakes Review; 1948 | 12/48 Great Lakes Review | 1948-00-00 | HENRY G. DALTON | Chief Engineer |
| Britz, Ralph M. P.; 1937 Red Book; 1937 | 1937 Red Book | 1937-00-00 | JAMES H. REED | Chief Engineer |
| Britz, Ralph M. P.; 1943 Red Book; 1943 | 1943 Red Book | 1943-00-00 | ELBA | Chief Engineer |
| Britz, Ralph M. P.; 1944 Red Book; 1944 | 1944 Red Book | 1944-00-00 | ELTON HOYT II | Chief Engineer |
| Britz, Ralph M. P.; 1945 Red Book; 1945 | 1945 Red Book | 1945-00-00 | ELTON HOYT II | Chief Engineer |
| Britz, Ralph M. P.; 1946 Red Book; 1946 | 1946 Red Book | 1946-00-00 | ELTON HOYT II | Chief Engineer |
| Britz, Ralph M. P.; 1947 Red Book; 1947 | 1947 Red Book | 1947-00-00 | ELTON HOYT II | Chief Engineer |
| Britz, Ralph M. P.; 1949 Red Book; 1949 | 1949 Red Book | 1949-00-00 | HENRY G. DALTON | Chief Engineer |
| Britz, Ralph M. P.; 1950 Red Book; 1950 | 1950 Red Book | 1950-00-00 | HENRY G. DALTON | Chief Engineer |
| Britz, Ralph M. P.; 1953 Red Book; 1953 | 1953 Red Book | 1953-00-00 | J. A. CAMPBELL | Chief Engineer |
| Britz, Ralph M. P.; Great Lakes News 1/41; 1941 | Great Lakes News 1/41 | 1941-00-00 | ELBA | Chief Engineer |
| Britz, Ralph M. P.; Great Lakes News 11/39; 1939 | Great Lakes News 11/39 | 1939-00-00 | HEMLOCK | Chief Engineer |
| Britz, Ralph M. P.; Great Lakes News 9/36; 1936 | Great Lakes News 9/36 | 1936-00-00 | HARRY COULBY | First Assistant |
| Britz, Ralph M. P.; Great Lakes News 9/36; 1936 | Great Lakes News 9/36 | 1936-00-00 | JAMES H. REED | Chief Engineer |
| Britz, Ralph M. P.; Great Lakes News 9/41; 1941 | Great Lakes News 9/41 | 1941-00-00 | ELBA | Chief Engineer |
| Britz, Ralph M. P.; Interlake Log October-November 1951 | Interlake Log October-November 1951 | 1951-00-00 | HARRY COULBY | Chief Engineer |
| Britz, Ralph M. P.; Interlake Log October-November 1951 | Interlake Log October-November 1951 | 1951-00-00 | E. G. GRACE | Chief Engineer |
| Britz, Ralph M. P.; Interlake Log, 1952 | Interlake Log, 1952 | 1952-00-00 | E. G. GRACE | Chief Engineer |
| Britz, Ralph M. P.; LCA Annual Report 1925 | LCA Annual Report 1925 | 1925-00-00 | SAMUEL MATHER | First Assistant |
| Britz, Ralph M. P.; LCA Annual Report 1926 | LCA Annual Report 1926 | 1926-00-00 | AMASA STONE | First Assistant |
| Britz, Ralph M. P.; LCA Annual Report 1927 | LCA Annual Report 1927 | 1927-00-00 | HENRY G. DALTON | First Assistant |
| Britz, Ralph M. P.; LCA Annual Report 1928 | LCA Annual Report 1928 | 1928-00-00 | HENRY G. DALTON | First Assistant |
| Britz, Ralph M. P.; LCA Annual Report 1929 | LCA Annual Report 1929 | 1929-00-00 | HENRY G. DALTON | First Assistant |
| Britz, Ralph M. P.; LCA Annual Report 1930 | LCA Annual Report 1930 | 1930-00-00 | HARRY COULBY | First Assistant |
| Britz, Ralph M. P.; LCA Annual Report 1931 | LCA Annual Report 1931 | 1931-00-00 | HARRY COULBY | First Assistant |
| Britz, Ralph M. P.; LCA Annual Report 1934 | LCA Annual Report 1934 | 1934-00-00 | HARRY COULBY | First Assistant |
| Britz, Ralph M. P.; LCA Annual Report 1935 | LCA Annual Report 1935 | 1935-00-00 | HARRY COULBY | First Assistant |
| Britz, Ralph M. P.; LCA Annual Report 1940 | LCA Annual Report 1940 | 1940-00-00 | HEMLOCK | Chief Engineer |
| Britz, Ralph M. P.; LCA Annual Report 1942 | LCA Annual Report 1942 | 1942-00-00 | ELBA | Chief Engineer |
| Britz, Ralph M. P.; LCA Annual Report 1943 | LCA Annual Report 1943 | 1943-00-00 | ELTON HOYT II | Chief Engineer |
| Britz, Ralph M. P.; LCA Bulletin 11/23; 1923 | LCA Bulletin 11/23 | 1923-00-00 | JAY C. MORSE | deckhand |
| Britz, Ralph M. P.; LCA Bulletin 11/23; 1923 | LCA Bulletin 11/23 | 1923-00-00 | | Oiler |
| Britz, Ralph M. P.; LCA Bulletin 11/23; 1923 | LCA Bulletin 11/23 | 1923-00-00 | HENRY G. DALTON | Second Assistant |
| Britz, Ralph M. P.; LCA Bulletin 11/23; 1923 | LCA Bulletin 11/23 | 1923-00-00 | HENRY G. DALTON | Second Assistant |
| Britz, Ralph M. P.; LCA Bulletin 11/23; 1923 | LCA Bulletin 11/23 | 1923-00-00 | C. H. | Second Assistant |
| Britz, Ralph M. P.; LCA Bulletin 11/23; 1923 | LCA Bulletin 11/23 | 1923-00-00 | HEMLOCK | |
| Britz, Ralph M. P.; LCA Bulletin 11/23; 1923 | LCA Bulletin 11/23 | 1923-00-00 | ODANAH | |
| Britz, Ralph M. P.; LCA Bulletin 11/23; 1923 | LCA Bulletin 11/23 | 1923-00-00 | JOSEPH SELLWOOD | |
| Britz, Ralph M. P.; LCA Bulletin 11/23; 1923 | LCA Bulletin 11/23 | 1923-00-00 | ADRIATIC | First Assistant |