- Demonstrations.1
- Denby, Edwin, 1870-1929.3
- Denmark, Norway, Sweden1
- Depressions--1929--United States.6
- Depressions--1929.1
- Dern, George Henry, 1872-1936.5
- Deutschland (Ship)1
- Diaries8
- Dictograph.1
- Diez de Medina, E. (Eduardo), 1881-1
- Dill, Clarence C. (Clarence Cleveland), 1884-1978.1
- Diplomacy.3
- Diplomats--Cuba.1
- Diplomats--Mexico.1
- Diplomats--Spain.1
- Diplomats--United States.1
- Diplomats.5
- Distinguished Flying Cross (Medal)1
- Distinguished Flying Medal.1
- Distinguished Service Medal (U.S.)1