Marshall Cavendish, ed. (2010). Asexuality. «Sex and Society». Marshall Cavendish2. pp. 82-83. ISBN978-0-7614-7906-2. Consultado el 27 de julio de 2013.
Putting Jesus in his place. Westminster John Knox Press. 2004. p. 85. ISBN978-0-664-22310-6. «Especially in De Monogamia it seems clear that Tertullian takes spado to mean a "virgin", but by using the word spado he employed a term that was in common use to refer to castrated men».
Bogaert, Anthony F. (2004). «Asexuality: prevalence and associated factors in a national probability sample». Journal of Sex Research(en inglés)41 (3): 279-87. PMID15497056. doi:10.1080/00224490409552235.
Kaye, Richard A. (1996). «Losing His Religion: Saint Sebastian as Contemporary Gay Martyr». Outlooks: Lesbian and Gay Sexualities and Visual Cultures. Peter Horne and Reina Lewis, eds. (New York: Routledge) 86: 105. doi:10.4324/9780203432433_chapter_five.
Caner, Daniel (1997). «The Practice and Prohibition of Self-Castration in Early Christianity». Vigiliae Christianae (Brill) 51 (4): 396-415. JSTOR1583869. doi:10.1163/157007297X00291.
Accordingly, Tertullian's text, "ipso domino spadonibus aperiente regna caelorum ut et ipso spadone, quem spectans et apostolus, propterea et ipse castratus, continentiam mavult" (De monogamia, 3) has been translated as "seeing that the Lord Himself opens 'the kingdoms of the heavens' to 'eunuchs', as being Himself, withal, a virgin; to whom looking, the apostle also--himself too for this reason abstinent--gives the preference to continence" (Roberts-Donaldson translation).
Caner, Daniel (1997). «The Practice and Prohibition of Self-Castration in Early Christianity». Vigiliae Christianae (Brill) 51 (4): 396-415. JSTOR1583869. doi:10.1163/157007297X00291.
«Words». Archives.nd.edu. Archivado desde el original el 23 de septiembre de 2015. Consultado el 24 de abril de 2014.
nih.gov
ncbi.nlm.nih.gov
Bogaert, Anthony F. (2004). «Asexuality: prevalence and associated factors in a national probability sample». Journal of Sex Research(en inglés)41 (3): 279-87. PMID15497056. doi:10.1080/00224490409552235.
Accordingly, Tertullian's text, "ipso domino spadonibus aperiente regna caelorum ut et ipso spadone, quem spectans et apostolus, propterea et ipse castratus, continentiam mavult" (De monogamia, 3) has been translated as "seeing that the Lord Himself opens 'the kingdoms of the heavens' to 'eunuchs', as being Himself, withal, a virgin; to whom looking, the apostle also--himself too for this reason abstinent--gives the preference to continence" (Roberts-Donaldson translation).
