Crow, J. F. (1 de septiembre de 2004). «The Wilhemine E. Key 2003 Invitational Lecture: Genetics: Alive and Well. The First Hundred Years as Viewed Through the Pages of the Journal of Heredity». Journal of Heredity95 (5): 365-374. ISSN0022-1503. PMID15388764. doi:10.1093/jhered/esh061.
Key, Wilhelmine E. (1915). FEEBLE-MINDED CITIZENS IN PENNSYLVANIA. Public charities association of Pennsylvania. Publication No. 16. Empire Building, Philadelphia: The Public Charities Association of Pennsylvania.
Crow, J. F. (1 de septiembre de 2004). «The Wilhemine E. Key 2003 Invitational Lecture: Genetics: Alive and Well. The First Hundred Years as Viewed Through the Pages of the Journal of Heredity». Journal of Heredity95 (5): 365-374. ISSN0022-1503. PMID15388764. doi:10.1093/jhered/esh061.
Crow, J. F. (1 de septiembre de 2004). «The Wilhemine E. Key 2003 Invitational Lecture: Genetics: Alive and Well. The First Hundred Years as Viewed Through the Pages of the Journal of Heredity». Journal of Heredity95 (5): 365-374. ISSN0022-1503. PMID15388764. doi:10.1093/jhered/esh061.