Simpson, Murray K. (2007): «From Savage to Citizen: Education, Colonialism, and Idiocy» i: British Journal of Sociology of Education28 (5): 561–574 [p. 571]. doi:10.1080/01425690701505326.
Yousef, Nancy (2001): «Savage or Solitary?: the Wild Child and Rousseau's Man of Nature» i: Journal of the History of Ideas62 (2): 245–263. doi:10.1353/jhi.2001.0021.
Winch, Christopher (1996): «Rousseau on Learning: a Re-evaluation» i: Educational Theory46 (4): 415–428. doi:10.1111/j.1741-5446.1996.00415.x.
Carrey, Normand J. (1995): «Itard's 1828 Memoir on ‘Mutism Caused by a Lesion of the Intellectual Functions’: a Historical Analysis». i: Journal of the American Academy of Child & Adolescent Psychiatry34 (12): 1655–1661. doi:10.1097/00004583-199512000-00016.