- University of Minnesota Duluth (8190)
- University of Minnesota. Department of Botany. (4353)
- Roberts, Thomas Sadler, 1858-1946 (Photographer) (3296)
- Liebenberg and Kaplan (1241)
- Breckenridge, Walter J., 1903-2003 (Photographer) (899)
- Hibbard, C.J., 1845-1924 (834)
- Havell, R. (Engraver, Printer, Colorist) (428)
- Blaeu, Joan, 1596-1673 (363)
- Marlow, Andrew (Producer) (361)
- Naftalin, Arthur (328)
- Alexander Brothers Leather and Belting Company (275)
- Ehlinger, Dr. Edward (host) (254)
- Mercator, Gerhard (1512-1594) (226)
- Bertius, Petrus (1565-1629) (224)
- Hondius, Jocodus (1563-1612) (224)
- Nationalsozialstische Deutsche Arbeiter-Partei (196)
- United States War Relocation Authority (188)
- Bassford, Charles A. (174)
- Jenkins, Andrea (Interviewer) (172)
- Merian, Matthias (1593-1650) (158)
