Ludmerer, K. M. (1969). "American geneticists and the eugenics movement: 1905–1935". Journal of the History of Biology. 2 (2): 337–362. doi:10.1007/BF00125023. S2CID8884986.
Kingsland, Sharon (February 1984). "Raymond Pearl: On the Frontier in the 1920s: Raymond Pearl Memorial Lecture, 1983". Human Biology. 56 (1): 1–18. JSTOR41463546. PMID6378756.
nasonline.org
"Raymond Pearl". www.nasonline.org. Retrieved November 2, 2023.
Kingsland, Sharon (February 1984). "Raymond Pearl: On the Frontier in the 1920s: Raymond Pearl Memorial Lecture, 1983". Human Biology. 56 (1): 1–18. JSTOR41463546. PMID6378756.
Ludmerer, K. M. (1969). "American geneticists and the eugenics movement: 1905–1935". Journal of the History of Biology. 2 (2): 337–362. doi:10.1007/BF00125023. S2CID8884986.