Author
American Cane Growers' Association
1
Auburn University. Cooperative Extension Service
1
Auburn University. Extension Service
1
Consorzio agrario di Milano
1
Fisheries Communications
1
Institut Pertanian Bogor. Dewan Mahasiswa
1
Japan. Nagoya Eirinkyoku
1
Kansas State Agricultural College
1
Louisiana Sugar Chemists' Association
1
Louisiana Sugar Planters' Association
1
Snow, Josiah
1
Società agraria di Lombardia
1
Texas Farm Bureau
1
Texas Farm Bureau Federation
1
Thomas, John J. (John Jacobs), 1810-1895
1
Tucker, Luther, 1802-1873
1
Tuskegee Institute
1
Verband landw. Genossenschaften in Baden
1
Wallace, Henry, 1836-1916
1
Wallace-Homestead Co
1
Wisconsin Farmers Union
1
Österreichischer Arbeitsbauernbund
1