- Purcell, William Gray, 1880-1965 (47)
- Norton, John W., 1876-1934 (17)
- Bell Museum of Natural History (14)
- YMCA of the USA (14)
- Chapman, Charles S., 1879-1962 (12)
- Delboy, Marcel, 1903-1941 (10)
- Chicago Architectural Photographing Company (Photographer) (9)
- Hart-Kaiser Studios (8)
- Louderback, Walt (7)
- American Geographical Society of New York (5)
- Cooper, William Skinner, 1884-1978 (5)
- France. Armée. Service géographique (5)
- Field's, Henry, Seed & Nursery Co. (4)
- France. Corps d'état-major (4)
- Lundie, Edwin H. (4)
- Miller, Kenneth Dexter, 1887- (4)
- Saint Paul (Minn.). Department of Public Works (4)
- Baldridge, Cyrus Leroy, 1889-1975 (3)
- Flagg, James Montgomery, 1877-1960 (3)
- Baldridge, Cyrus Leroy, 1889-1977 (2)
