Columbia subject headings:
Yourcenar, Marguerite--Criticism and interpretation--Congresses.
Yourcenar, Marguerite--Influence.
Harvard subject headings:
Art and literature--France--Congresses.
Yourcenar, Marguerite--Criticism and interpretation--Congresses.
Yourcenar, Marguerite--Knowledge--Art--Congresses.
Princeton subject headings:
Yourcenar, Marguerite--Criticism and interpretation--Congresses.
Yourcenar, Marguerite--Influence--Congresses.