2/9/23 H. F. Perkins to C. B. Davenport
2/20/23 C. B. Davenport to H. F. Perkins
2/13/23 C. B. Davenport to H. F. Perkins
5/6/25 H. F. Perkins to C. B. Davenport
5/14/25 C. B. Davenport to H. F. Perkins
9/24/25 H. H. Laughlin to Harriett Abbott
10/8/25 H. H. Laughlin to Harriett Abbott
"A Good Eugenics Program for Vermont"
Henry F. Perkins (1925)
"Eugenics Survey of Vermont"
University of Vermont Bulletin, 1926-1936