Columbia subject headings:
Cather, Willa, 1873-1947--Congresses.
Harvard subject headings:
Cather, Willa, 1873-1947--Criticism and interpretation--Congresses.
Women and literature--United States--History--20th century--Congresses.
Princeton subject headings:
Cather, Willa, 1873-1947--Criticism and interpretation--Congresses.
Women and literature--United States--History--20th century--Congresses.