Columbia subject headings:
Albigenses--Biography.
Catholic Church--France--Montaillou--History--14th century.
Clerici, Petrus.
Montaillou (France)--Church history--14th century.
Harvard subject headings:
Albigenses.
Christian heresies--Middle Ages, 600-1500.
Inquisition--France--Montaillou.
Montaillou (France)--Church history.
Princeton subject headings:
Albigenses--Biography.
Catholic Church--France--Montaillou--History--14th century.
Clerici, Petrus.
Montaillou (France)--Church history--14th century.