Columbia subject headings:
Academic freedom--Economic aspects--United States--Congresses.
Academic freedom--Social aspects--United States--Congresses.
Learning and scholarship--United States--Congresses.
Harvard subject headings:
Academic freedom--Economic aspects--United States--Congresses.
Academic freedom--Social aspects--United States--Congresses.
Learning and scholarship--United States--Congresses.
Princeton subject headings:
Academic freedom--Economic aspects--United States--Congresses.
Academic freedom--Social aspects--United States--Congresses.
Learning and scholarship--United States--Congresses.