مراجع
- ^ Zubrin, Robert (2012). Merchants of Despair: Radical Environmentalists, Criminal Pseudo-scientists, and the Fatal Cult of Antihumanism. Encounter Books, p. 57.
- ^ "Maj. Gabriel Grant (Surgeon)". health.mil (the official website of the Military Health System and the Defense Health Agency). مؤرشف من الأصل في 2015-06-27. اطلع عليه بتاريخ 2015-04-13.
- ^ Spiro, Jonathan Peter (2009). Defending the Master Race: Conservation, Eugenics, and the Legacy of Madison Grant. University of Vermont Press, pp. 6–7.
وصلات خارجية
- مقالات تستعمل روابط فنية بلا صلة مع ويكي بيانات