Columbia subject headings:
United States--Politics and government--1945-1989.
United States--Politics and government--1989-
United States. Congress. House--Elections.
Voting research--United States.
Harvard subject headings:
United States--Politics and government--1945-1989.
United States--Politics and government--1989-
United States. Congress. House--Elections.
Voting research--United States.
Princeton subject headings:
Elections--United States.
Political candidates--United States.