- D. Willard Lyon Papers (10)
- Daniel W. Sprague (5)
- Daughters of Penelope Oral History Project (23)
- Dean Eaker Papers and Publications (44)
- Department of African and African American Studies Records (181)
- Department of American Indian Studies Image Collection (28)
- Department of Botany Print Photograph Collection (2288)
- Department of Botany Records (171)
- Department of Geology and Mineralogy Records (18)
- Department of Plant Pathology and Physiology Records (350)
- Department of Political Science Records (116)
- Desmond Heeley Papers (25)
- Dight Institute Records (32)
- Digitizing Immigrant Letters (103)
- Documenting Jesuit Activity in Mexico and South America (281)
- Donald Buermann Lawrence Papers (14152)
- Doris S. Kirschner Cookbook Collection (150)
- Duluth African American Oral History Project (UMD) (18)
