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Creator
- Henderson, Robert W. (Robert Wesley), 1914-2006 65
- Finley, William L. (William Lovell), 1876-1953 43
- Perrin, Howard R. 19
- Brosterhouse, Edward P. 18
- Field, Gerald C. 5
- Brooks, George W. 4
- Crop and Soil Science 4
- Holford, William 4
- Lawrence and Holford 4
- Lawrence, Ellis Fuller 4
- Barber, George Franklin 2
- Frodsham, Harold 2
- Glen Stanton & Hollis Johnston 2
- Johnston, Hollis E. 2
- McDougall Brothers 2
- Stanton & Johnston 2
- Stanton, Glenn 2
- Aandahl, Frederick 1
- Chinese Consolidated Benevolent Association 1
- Civilian Conservation Corps (U.S.) 1