The nature and origins of mass opinion / John R. Zaller. Zaller, John, 1949- Public opinion. Attitude (Psychology) Political psychology. Public opinion polls. HM261 .Z35 1992 303.38 ZAL Includes bibliographical references (p. [347]-357) and index. Cambridge [England] ; New York, NY, USA : Cambridge University Press, 1992. 1992. 1992 Text xiii, 367 p. : http://www.loc.gov/catdir/description/cam024/91043032.html http://www.loc.gov/catdir/toc/cam026/91043032.html eng