| Cummings, E. B.; 1949 Blue Book; 1949 | 1949 Blue Book | 1949-00-00 | GEORGE G. CRAWFORD | Third Assistant |
| Cummings, E. B.; Great Lakes News 2/21; 1921 | Great Lakes News 2/21 | 1921-00-00 | WILLIAM P. PALMER | Third Assistant |
| Cummings, E. B.; R. A. Phillips Collection | R. A. Phillips Collection | | FRANCIS E. HOUSE | Second Assistant |
| Cummings, E. B.; R. A. Phillips Collection | R. A. Phillips Collection | | GEORGE G. CRAWFORD | Second Assistant |
| Cummings, E. B.; R. A. Phillips Collection | R. A. Phillips Collection | | HENRY PHIPPS | Second Assistant |
| Cummings, E. B.; R. A. Phillips Collection | R. A. Phillips Collection | | ELBERT H. GARY | Second Assistant |