This analysis is based primarily on USIA-commissioned national public opinion polls in West Germany in 1956, 1957, 1960, and 1981-83. Nationally representative samples of from 600 to 2000 persons were interviewed.
United States Information Agency. Office of Research. Differences in Some Foreign Policy Views Between Supporters of the Major West German Parties. By Stephen M. Shaffer. Washington, D.C.: November 7, 1983. (Foreign Opinion Note N-11/7/83).