Columbia subject headings:
Catholic Church--History--Fiction.
Joan, Pope (Legendary character)--Fiction.
Popes--Legends--Fiction.
Harvard subject headings:
Catholic Church--History--Fiction.
Joan, Pope (Legendary character)--Fiction.
Popes--Legends--Fiction.
Princeton subject headings:
Catholic Church--History--Fiction.
Fiction.
Joan (Legendary Pope)--Fiction.
Novels.
Popes--Legends--Fiction.