Columbia subject headings:
Animals and civilization--History--To 1500.
Human-animal relationships--History--To 1500.
Literature, Medieval--Themes, motives.
Harvard subject headings:
Human-animal relationships--History--To 1500.
Literature, Medieval--Themes, motives
Shapeshifting.
Werewolves.
Princeton subject headings:
Animals and civilization--History--To 1500.
Human-animal relationships--History--To 1500.
Literature, Medieval--Themes, motives.