Columbia subject headings:
Albigenses--History.
Christian heresies--France--Languedoc--History--Middle Ages, 600-1500.
Crusades--Eighth, 1270.
Crusades--Seventh, 1248-1250.
France--History--Louis IX, 1226-1270.
Knights and knighthood--France--Biography.
Languedoc (France)--History.
Termes, Olivier de, approximately 1200-1274.
Harvard subject headings:
Albigenses
Albigenses--History
Christian heresies--France--Languedoc--History--Middle Ages, 600-1500
Crusades--Eighth, 1270
Crusades--Seventh, 1248-1250
France--History--Louis IX, 1226-1270.
Knights and knighthood--France--Biography.
Languedoc (France)--History.
Termes, Olivier de, approximately 1200-1274.
Princeton subject headings:
Albigenses--History.
Christian heresies--France--Languedoc--History--Middle Ages, 600-1500.
Crusades--Eighth, 1270.
Crusades--Seventh, 1248-1250.
France--History--Louis IX, 1226-1270.
Knights and knighthood--France--Biography.
Languedoc (France)--History.
Termes, Olivier de, approximately 1200-1274.