Columbia subject headings:
Harvard subject headings:
Butler, Judith, 1956-.
Laqueur, Thomas Walter.
Sex differences--Social aspects--History--To 1500--Congresses.
Sex role--History--To 1500--Congresses.
Princeton subject headings:
Gender identity--History--Middle Ages, 600-1500--Congresses.
Sex role--History--Middle Ages, 600-1500--Congresses.