Columbia subject headings:
Gays--Europe--History--To 1500.
Homosexuality--Religious aspects--Catholic Church--History--To 1500.
Persecution--History--Middle Ages, 600-1500.
Harvard subject headings:
Gays--Europe--History--To 1500.
Homosexuality--Religious aspects--Catholic Church--History--To 1500.
Persecution--History--Middle Ages, 600-1500
Princeton subject headings:
Gays--Europe--History--To 1500.
Homosexuality--Religious aspects--Catholic Church--History--To 1500.
Persecution--History--Middle Ages, 600-1500.