Columbia subject headings:
Clement IV, Pope, -1268.
Inquisition--History.
Harvard subject headings:
Church history--13th century
Clement IV, Pope, -1268.
Inquisition
Inquisition--France
Inquisition--History--Sources.
Inquisition--History.
Inquisition--Italy
Princeton subject headings:
Catholic Church--Liturgy--Texts--History and criticism.
Inquisition--France--History--Sources.
Manuscripts, Latin (Medieval and modern)--History and criticism.