Schapsmeier and Schapsmeier, Schapsmeier and Schapsmeier. Henry A. Wallace of Iowa: The Agrarian Years, 1910-1940" (1970) p 181. online review
congress.gov
bioguide.congress.gov
"Wallace, Henry Agard, (1888 – 1965)". Biographical Dictionary of the United States Congress 1774 – Present. Washington, D.C.: United States Congress. Retrieved June 1, 2018.
Jewett, Andrew (2013). "The Social Sciences, Philosophy, and the Cultural Turn in the 1930s USDA". Journal of the History of the Behavioral Sciences. 49 (4): 396–427. doi:10.1002/jhbs.21629. ISSN1520-6696. PMID23982926.
ghostarchive.org
Hatfield, Mark O. "Henry Agard Wallace (1941–45)"(PDF). Vice Presidents of the United States. U.S. Government Printing Office. Archived(PDF) from the original on October 9, 2022. Retrieved January 11, 2019.
Ross, Alex (October 14, 2013). "Uncommon Man". The New Yorker.
nih.gov
pubmed.ncbi.nlm.nih.gov
Jewett, Andrew (2013). "The Social Sciences, Philosophy, and the Cultural Turn in the 1930s USDA". Journal of the History of the Behavioral Sciences. 49 (4): 396–427. doi:10.1002/jhbs.21629. ISSN1520-6696. PMID23982926.
Hatfield, Mark O. "Henry Agard Wallace (1941–45)"(PDF). Vice Presidents of the United States. U.S. Government Printing Office. Archived(PDF) from the original on October 9, 2022. Retrieved January 11, 2019.
slate.com
Gross, Daniel (January 8, 2004). "Seed Money". Slate. Retrieved January 12, 2019.
Jewett, Andrew (2013). "The Social Sciences, Philosophy, and the Cultural Turn in the 1930s USDA". Journal of the History of the Behavioral Sciences. 49 (4): 396–427. doi:10.1002/jhbs.21629. ISSN1520-6696. PMID23982926.