Author
Agricultural History Society
1
California Rural Legal Assistance Foundation
1
Citizens for Farm Labor (Berkeley, Calif.)
1
Federation of Jewish Farmers of America
1
Hampton Institute
1
Hampton Normal and Agricultural Institute
1
Hampton Normal and Agricultural Institute (Va.)
1
National Farm School (Doylestown, Pa.)
1
Penn School (Saint Helena Island, S.C.)
1
Pennsylvania State Horticultural Association
1
Pennsylvania. Department of Agriculture
1
Red Lake County Farm Bureau Association
1
United States. Department of Agriculture
1