American Public Opinion Its Origins, Content, and Impact Erikson Robert S. Innbundet / 2023 / Engelsk
American Public Opinion Its Origins, Content, and Impact Erikson Robert S. Innbundet / 2019 / Engelsk
Timeline of Presidential Elections – How Campaigns Do (and Do Not) Matter Erikson Robert S. Heftet / 2012 / Engelsk
Statehouse Democracy Public Opinion and Policy in the American States Erikson Robert S. Innbundet / 1994 / Engelsk
Statehouse Democracy Public Opinion and Policy in the American States Erikson Robert S. Heftet / 1994 / Engelsk
