- National Social Welfare Assembly (35)
- Photographic Laboratory (19)
- University of Minnesota Photographic Laboratory (13)
- YMCA of the USA (12)
- Jaques, Francis Lee, 1887-1969 (11)
- Beckemeyer, Doyle W. (9)
- National Board of the Young Men's Christian Associations (7)
- Geological Survey of Minnesota (6)
- National Conference of Christians and Jews (6)
- Stanart Photo, Los Angeles, Calif. (5)
- YMCA of the USA. International Division. (5)
- New Zealand. Lands and Survey Department. (4)
- University of Minnesota. Radio Station KUOM (4)
- Berkeley, Edmund C. (Edmund Callis). (3)
- England. Research Department, Foreign Office. (3)
- Lansdale, Herbert Parker, Jr., 1898-1988 (3)
- Manned Spacecraft Center (3)
- U.S. Naval Oceanographic Office (3)
- University of Minnesota. Audio Visual Library Services (3)
- A.V.E.S. Photographic Laboratories (2)
