Columbia subject headings:
Information policy--United States--Congresses.
Information services--Government policy.
Libraries and state--United States--Congresses.
Harvard subject headings:
Information policy--United States--Congresses.
Information services--Government policy--United States--Congresses.
Information services--Research--United States--Congresses.
Libraries and state--United States--Congresses.
Library science--Research--United States--Congresses.
Princeton subject headings:
Information policy--United States--Congresses.
Information services--Research--United States--Congresses.
Libraries and state--United States--Congresses.
Library science--Research--United States--Congresses.