TY - BOOK AU - Schmidt,Gustavus Adolphus TI - Vocational education in agriculture in federally-aided secondary schools SN - 0404555349 PY - 1932/// CY - Columbia University, New York PB - Teachers College KW - Agricultural education KW - United States KW - Agriculture KW - Study and teaching N1 - Issued also as thesis (Ph. D.) Columbia University; Bibliography: 1 leaf at end ER -