Columbia subject headings:
Harvard subject headings:
Communism--United States--History--Sources.
Communist Party of the United States of America--History--Sources.
Radicalism--United States--History--Sources.
United States--Politics and government--1953-1961--Sources.
Princeton subject headings:
Communism--United States--History--Sources.
Communist Party of the United States of America--History--Sources.
Dwight D. Eisenhower Library--Archives.
Radicalism--United States--History--Sources.
United States--Politics and government--1953-1961--Sources.