- Cooper, William Skinner, 1884-1978 (36)
- Jones, Harry W. (Architect) (25)
- Bell Museum of Natural History (15)
- YMCA of the USA (13)
- Huff, Ned L., 1876-1964 (10)
- National Highways Association (8)
- Rand McNally and Company (8)
- Chicago Architectural Photographing Company (Photographer) (4)
- YMCA of the USA. International Division. (3)
- D. M. Ferry & Co. (2)
- Episcopal Church (2)
- Geological Survey of Minnesota (2)
- Great Britain. War Office (2)
- Iverson, Samuel G.(Samuel Gilbert),1859-1928. (2)
- Jones, O. S., Seed Co. (2)
- Kirk, N.M. (2)
- Minnesota Map Publishing Co. (2)
- Nachtrieb, Henry Francis, 1859-1942 (2)
- National Highways Association. (2)
- Raven-Hill, Leonard, 1867-1942 (2)
