Stimson, R. W., & Lathrop, F. W. (1942). History of agricultural education of less than college grade in the United States: A cooperative project of workers in vocational education in agriculture and in related fields. Washington: Federal Security Agency - U.S. Office of Education.

Stimson, Rufus W., and Frank W. Lathrop. History of Agricultural Education of Less Than College Grade in the United States: A Cooperative Project of Workers in Vocational Education in Agriculture and in Related Fields. Washington: Federal Security Agency - U.S. Office of Education, 1942.

Stimson, Rufus W., and Frank W. Lathrop. History of Agricultural Education of Less Than College Grade in the United States: A Cooperative Project of Workers in Vocational Education in Agriculture and in Related Fields. Washington: Federal Security Agency - U.S. Office of Education, 1942.