Castration: An Abbreviated History of Western Manhood: A review of the book by Gary Taylor which looks at eunuchs through the ages.
The Eunuchs of China: About the practice of using emasculated and castrated males to serve in the emperor's harem from the 8th century B.C. to 1912.
The Pen(is), Castration, and Identity: Abelard's Negotiations of Gender: Paper about Abelard's narratives of emasculation and remasculinization .
The Story of My Misfortunes: Full text from Peter Abelard's Historia Calamitatum, which recounts his affair with Heloise and subsequent castration.