Columbia subject headings:
Freedom of information--Congresses.
Government information--United States--Congresses.
Information policy--United States--Congresses.
Public services (Libraries)--Congresses.
Harvard subject headings:
Freedom of information--Congresses
Government information--United States--Congresses.
Information policy--United States--Congresses.
Information services--Government policy--United States--Congresses.
Public services (Libraries)--Congresses.
Princeton subject headings:
Freedom of information--Congresses.
Government information--United States--Congresses.
Information policy--United States--Congresses.
Information services--Government policy--United States--Congresses.
Public services (Libraries)--Congresses.