Creator
- Copeland, Charles, 1867-19442
- Crosby, H. T. (Howard T.), 1880-19281
- Danton, V. E. (Van Eaton), Dr.1
- Dashiell, J. L. (James "Jimmy" Lambert), 1870-19501
- Dean's Studio1
- Dean-Kaylor Studio1
- Delaware Automobile Association1
- Delaware Barber Company1
- Delaware State Chamber of Commerce1
- Denison, George T. (George Taylor), 1839-19251
- Denny, George Hutcheson1
- Dixon, Frank McClung, 1900-19801
- Dodge, Edwin R. (Edwin Rouse), 1860-19341
- Dodge, Harrison Howell, 1852-19374
- Du Pont Gun Club1