Columbia subject headings:
Harvard subject headings:
American newspapers--Sections, columns, etc.--History--20th century.
Government and the press--United States--History--20th century.
Television broadcasting of news--United States--History--20th century.
Television broadcasting of news--United States--History.
United States--Politics and government--1969-1974.
Princeton subject headings:
American newspapers--Sections, columns, etc.--History--20th century.
Government and the press--United States--History--20th century.
Television broadcasting of news--United States--History--20th century.
United States--Politics and government--1969-1974.