Columbia subject headings:
Legislation--United States--Periodicals.
United States--Politics and government--1961-1963--Periodicals.
Harvard subject headings:
Legislation--United States--Periodicals.
United States--Politics and government--1945-1989--Periodicals.
Princeton subject headings:
Legislation--United States--Periodicals.
Periodicals.
United States--Politics and government--1961---Periodicals.