Columbia subject headings:
Marie, de France, active 12th century--Criticism and interpretation.
Harvard subject headings:
Marie, de France, active 12th century.
Thomas, à Becket, Saint, 1118?-1170--Friends and associates.
Princeton subject headings:
Marie, de France, active 12th century.
Thomas, à Becket, Saint, 1118?-1170--Friends and associates.