Columbia subject headings:
Composers--France--Biography--Congresses.
Guillaume, de Machaut, approximately 1300-1377--Congresses.
Music--500-1400--History and criticism--Congresses.
Poets, French--To 1500--Biography--Congresses.
Harvard subject headings:
Composers--France--Biography--Congresses.
Guillaume, de Machaut, approximately 1300-1377--Congresses.
Music--500-1400--History and criticism--Congresses.
Poets, French--To 1500--Biography--Congresses.
Princeton subject headings:
Guillaume, de Machaut, approximately 1300-1377--Congresses.