Columbia subject headings:
Ambassadors in literature.
Chansons de geste--History and criticism.
French literature--To 1500--History and criticism.
Harvard subject headings:
Ambassadors--In literature.
Chansons de geste--History and criticism.
French literature--To 1500--History and criticism
Princeton subject headings:
Ambassadors in literature.
Chansons de geste--History and criticism.
French literature--To 1500--History and criticism.