Columbia subject headings:
Books and reading--Sociological aspects--Congresses.
Economics and literature--Congresses.
Literature and society--Congresses.
Literature--Study and teaching--Social aspects--Congresses.
Publishers and publishing--Congresses.
Harvard subject headings:
Language and languages
Literature--20th century--History and criticism.
Literature--Study and teaching
Princeton subject headings:
Books and reading--Sociological aspects--Congresses.
Economics and literature--Congresses.
Literature and society--Congresses.
Literature--Study and teaching--Social aspects--Congresses.
Publishers and publishing--Congresses.