Perpetual Virginity (Subscribe)
Links
The Perpetual Virginity of Mary
http://www.cin.org/users/james/files/talmud.htm
Article by Br. Anthony Opisso.
Brothers and Sisters of Jesus
http://www.ewtn.com/library/SCRIPTUR/JESBRS.TXT
William G. Most's article on the issue of Mary's perpetual virginity (and hence whether she had other children).