S - Landbouw

United States Agricultural Research Service United States Department of Agriculture 104 United States Federal Extension Service 15 National Science Foundation (U.S.) 12 United States Science and Education Administration 12 United States Forest Service 11 United States Department of Agriculture. Economic Research Service 10 United States Agricultural Research Administration 8 United States Science and Education Administration. Agricultural Research. Southern Region 8 Gunn, Charles R., 1927- 7 Texas Agricultural Experiment Station 7 Burford, J. B 6 Hanson, A. A (Angus Alexander), 1922- 6 Indian National Scientific Documentation Centre 6 United States Agricultural Research Service. Southern Region 6 Zaumeyer, W. J (William John) 6 Doolittle, S. P (Sears Polydore), 1890-1961 5 Hills, Orin A., 1903- 5 Purdue University Agricultural Experiment Station 5 Reitz, Louis Powers, 1907-2012 5 Ullstrup, A. J (Arnold John), 1907- 5 United States Bureau of Agricultural Economics 5 Batjer, L. P (Lawrence Paul), 1907-1967 4 Brandenburg, N. Robert (Norman Robert), 1921- 4 Civerolo, E. L 4 Cuthbert, Frank P., 1922- 4 Davis, Joe F (Joe Frank), 1904- 4 Fogle, H. W (Harold Warman), 1918-2006 4 Graumann, Hugo O (Hugo Oswalt), 1913- 4 Hanson, C. H 4 Bekijk alles ...