Encyclopedias, Almanacs, Transcripts, and Maps
- Demilune
- Democratic and Popular Republic of Algeria
- Democratic People’s Republic of Korea
- Democratic Republicans
- Democratic Russia
- Democratic Union
- Democratic-Republican Party
- Democratic-Republicanism Blooms: 1801–5
- Demography and War
- Demonstrations
- Demont, William
- Denazification
- Denbow, Claude H. A.
- Denga
- Denison, Nathan
- Denman, Thomas, 1st Baron Denman
- Denning, Alfred, Lord
- Denominationalism
- Dental Records
- dentistry, development of