- Graul, Walter D. (286)
- Farm Foundation (Chicago, Ill.) (12)
- Minnesota Extension Service. (12)
- New Agenda for Rural America (1987 : Saint Paul, Minn.) (12)
- North Central Regional Center for Rural Development. (12)
- University of Wisconsin. Extension Service. (12)
- McMiller, P.R. (11)
- University of Minnesota. School of Home Economics. (10)
- Fieger, E.A. (6)
- Hill, Sam (6)
- Nygard, I.J. (6)
- Elwell, J. Ambrose (5)
- Baldwin, Mark (4)
- Harms, G.F. (4)
- Smith, William G. (4)
- Swenson, G.A. (4)
- Arneman, H.F. (3)
- Bodman, G.B. (3)
- Cowles, D.A. (3)
- Farmer, Fannie Merritt,1857-1915. (3)