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- Dancer, Thomas.4
- Davis, N. S. (Nathan Smith), 1817-19044
- Dawson, Lindsey, author4
- De Biasi, Anne, author4
- Delavan, D. Bryson (David Bryson), 1850-1942, author4
- Dewey, Willis A. (Willis Alonzo), 1858-19384
- District of Columbia, enacting jurisdiction.4
- District of Columbia. Health Department, author.4
- Dixon, Edward H., 1808-18804
- Dodd, Allison Hedley, author4
- Dorland, W. A. Newman (William Alexander Newman), 1864-19564
- Dorn, Stan, author4
- Dougherty, Michelle L., author4
- Douglas, J. S. (James S.), 1801-18784
- Douglass, William, approximately 1700-17524
- Druitt, Robert, 1814-18834
- Dujardin-Beaumetz, 1833-18954
- Duncan, J. Matthews (James Matthews), 1826-18904
- Duncan, T. C. (Thomas Cation)4