- National Board of the Young Men's Christian Associations. Committee on Extension (179)
- A.V.E.S. Photographic Laboratories (169)
- Gerard, John (165)
- Williams, Agnes (163)
- ND (Neurdein et Cie/Neurdein Freres) (152)
- Lansdale, Herbert Parker, Jr., 1898-1988 (147)
- National Board of the Young Men's Christian Associations (147)
- Mechlin, Christian (144)
- Purcell & Elmslie (144)
- Smith, John (144)
- Minnesota Action Committee for Soviet Jewry of the Jewish Community Relations Council (143)
- Peterson, Gary (Host) (141)
- Otto, Duane Dean (140)
- University of Minnesota Landscape Arboretum (140)
- Marsh, Leo B. (139)
- Council on Social Work Education (136)
- Castle, Timothy (133)
- Mattioli, Pietro Andrea (133)
- Fuchs, Leonhart (132)
- Geological Survey (U.S.) (132)
