| Benjamin, Robert F. | | | | |
| Benjamin, Robert F. | | | | |
| Benjamin, Robert F. | | | HENRY PHIPPS | Third Assistant |
| Benjamin, Robert F.; 1930 Blue Book; 1930 | 1930 Blue Book | 1930-00-00 | B. F. AFFLECK | Second Assistant |
| Benjamin, Robert F.; 1931 Blue Book; 1931 | 1931 Blue Book | 1931-00-00 | B. F. AFFLECK | Second Assistant |
| Benjamin, Robert F.; 1937 Blue Book; 1937 | 1937 Blue Book | 1937-00-00 | PETER A. B. WIDENER | First Assistant |
| Benjamin, Robert F.; 1941 Great Lakes Blue Book (?); 1941 | 1941 Great Lakes Blue Book (?) | 1941-00-00 | EUGENE P. THOMAS | First Assistant |
| Benjamin, Robert F.; 1947 Red Book; 1947 | 1947 Red Book | 1947-00-00 | JAMES J. HILL | Chief Engineer |
| Benjamin, Robert F.; 1949 Red Book; 1949 | 1949 Red Book | 1949-00-00 | JAMES J. HILL | Chief Engineer |
| Benjamin, Robert F.; 1950 Red Book; 1950 | 1950 Red Book | 1950-00-00 | JAMES J. HILL | Chief Engineer |
| Benjamin, Robert F.; 1951 Red Book; 1951 | 1951 Red Book | 1951-00-00 | THOMAS F. COLE | Chief Engineer |
| Benjamin, Robert F.; 1952 Red Book; 1952 | 1952 Red Book | 1952-00-00 | THOMAS F. COLE | Chief Engineer |
| Benjamin, Robert F.; 1953 Red Book; 1953 | 1953 Red Book | 1953-00-00 | WILLIAM J. OLCOTT | Chief Engineer |
| Benjamin, Robert F.; 1954 Red Book; 1954 | 1954 Red Book | 1954-00-00 | WILLIAM J. OLCOTT | Chief Engineer |
| Benjamin, Robert F.; 1955 Red Book; 1955 | 1955 Red Book | 1955-00-00 | B. F. AFFLECK | Chief Engineer |
| Benjamin, Robert F.; 1956 Red Book; 1956 | 1956 Red Book | 1956-00-00 | EUGENE P. THOMAS | Chief Engineer |
| Benjamin, Robert F.; 1957 Red Book; 1957 | 1957 Red Book | 1957-00-00 | EUGENE P. THOMAS | Chief Engineer |
| Benjamin, Robert F.; 1958 Red Book; 1958 | 1958 Red Book | 1958-00-00 | GOVERNOR MILLER | Chief Engineer |
| Benjamin, Robert F.; 1959 Red Book; 1959 | 1959 Red Book | 1959-00-00 | GOVERNOR MILLER | Chief Engineer |
| Benjamin, Robert F.; 1960 Red Book; 1960 | 1960 Red Book | 1960-00-00 | GOVERNOR MILLER | Chief Engineer |
| Benjamin, Robert F.; 1961 Red Book; 1961 | 1961 Red Book | 1961-00-00 | GOVERNOR MILLER | Chief Engineer |
| Benjamin, Robert F.; 5/48 Great Lakes Review; 1948 | 5/48 Great Lakes Review | 1948-00-00 | JAMES J. HILL | Chief Engineer |
| Benjamin, Robert F.; Great Lakes News 6/43; 1943 | Great Lakes News 6/43 | 1943-00-00 | ALVA . DINKEY | First Assistant |
| Benjamin, Robert F.; Great Lakes News 6/44; 1944 | Great Lakes News 6/44 | 1944-00-00 | D. M. CLEMSON | First Assistant |