Columbia subject headings:
Books and reading--Social aspects--United States.
Books and reading--United States--History.
Literature and society--United States--History.
Popular culture--United States.
United States--Intellectual life.
United States--Social conditions.
Harvard subject headings:
Books and reading--Social aspects--United States.
Books and reading--United States--History.
Books and reading--United States--Social aspects.
Literature and society--United States--History.
Popular culture--United States
United States--Intellectual life.
United States--Social conditions.
Princeton subject headings:
Books and reading--Social aspects--United States.
Books and reading--United States--History.
Literature and society--United States--History.
Popular culture--United States.
United States--Intellectual life.
United States--Social conditions.