Description: Papers of Herbert M. Hamlin (1894-1968), professor of agricultural education (1938-1962), including correspondence (1912, 1920, 1931-64), publications (1924-62), speeches and lectures (1926-62), newspaper clippings (1918-68), awards and certificates (1918-67), photographs (1911-40), and transcripts (1916, 1939) relating to agricultural education in Minnesota (1916-20) and at Iowa State University (1920-38), vocational agriculture, adult education, citizen participation in policy making for public education, federal aid to education and professional associations.