| Jacobs, Harry E.; 1930 Blue Book; 1930 | 1930 Blue Book | 1930-00-00 | GEORGE BAKER | Second Assistant |
| Jacobs, Harry E.; 1931 Blue Book; 1931 | 1931 Blue Book | 1931-00-00 | PETER A. B. WIDENER | Second Asistant |
| Jacobs, Harry E.; 1937 Blue Book; 1937 | 1937 Blue Book | 1937-00-00 | E. C. COLLINS | First Assistant |
| Jacobs, Harry E.; 1941 Great Lakes Blue Book (?); 1941 | 1941 Great Lakes Blue Book (?) | 1941-00-00 | ELBERT H. GARY | First Assistant |
| Jacobs, Harry E.; Great Lakes News 6/43; 1943 | Great Lakes News 6/43 | 1943-00-00 | J. P. MORGAN JR. | First Assistant |
| Jacobs, Harry E.; LCA Annual Report 1940 | LCA Annual Report 1940 | 1940-00-00 | EUGENE J. BUFFINGTON | asst. engineer |
| Jacobs, Harry E.; LCA Bulletin June 1924 | LCA Bulletin June 1924 | 1924-00-00 | RICHARD V. LINDABURY | Third Assistant |
| Jacobs, Harry E.; LCA Bulletin May 1924 | LCA Bulletin May 1924 | 1924-00-00 | JOHN ERICSSON | Oiler |