Columbia subject headings:
Presidents--United States--Election--1972.
Presidents--United States--Election--1976.
Public opinion--Michigan--Dearborn--Longitudinal studies.
Harvard subject headings:
Presidents--United States--Election--1972
Presidents--United States--Election--1976
Public opinion--Michigan--Dearborn--Longitudinal studies.
Princeton subject headings:
Presidents--United States--Election--1972.
Presidents--United States--Election--1976.
Public opinion--Michigan--Dearborn--Longitudinal studies.