| Hughes, H. R.; 1930 Blue Book; 1930 | 1930 Blue Book | 1930-00-00 | A. F. HARVEY | Second Assistant |
| Hughes, H. R.; 1931 Blue Book; 1931 | 1931 Blue Book | 1931-00-00 | JOHN W. GATES | Second Assistant |
| Hughes, H. R.; 1937 Blue Book; 1937 | 1937 Blue Book | 1937-00-00 | CLARENCE A. BLACK | First Assistant |
| Hughes, H. R.; 1941 Great Lakes Blue Book (?); 1941 | 1941 Great Lakes Blue Book (?) | 1941-00-00 | GEORGE F. BAKER | First Assistant |
| Hughes, H. R.; 1949 Blue Book; 1949 | 1949 Blue Book | 1949-00-00 | EUGENE P. THOMAS | First Assistant |
| Hughes, H. R.; 1951 Red Book; 1951 | 1951 Red Book | 1951-00-00 | CORNELL | Chief Engineer |
| Hughes, H. R.; 1952 Red Book; 1952 | 1952 Red Book | 1952-00-00 | ELBERT H. GARY | Chief Engineer |
| Hughes, H. R.; 1953 Red Book; 1953 | 1953 Red Book | 1953-00-00 | NORMAN B. REAM | Chief Engineer |
| Hughes, H. R.; 1954 Red Book; 1954 | 1954 Red Book | 1954-00-00 | NORMAN B. REAM | Chief Engineer |
| Hughes, H. R.; 1955 Red Book; 1955 | 1955 Red Book | 1955-00-00 | ALVA C. DINKEY | Chief Engineer |
| Hughes, H. R.; 1956 Red Book; 1956 | 1956 Red Book | 1956-00-00 | RICHARD TRIMBLE | Chief Engineer |
| Hughes, H. R.; Great Lakes News 6/43; 1943 | Great Lakes News 6/43 | 1943-00-00 | WILLIAM J. OLCOTT | First Assistant |
| Hughes, H. R.; Great Lakes News 6/44; 1944 | Great Lakes News 6/44 | 1944-00-00 | AUGUST ZIESING | First Assistant |