Title:American political interest groups: readings in theory and research. / by Betty H. Zisk. Author:ZISK, Betty H.-1930 Publication information:Wadsworth Pub. Co. Physical description:469 p.: ill. ; 23 cm. Call number: 322.4'0973 ZIS Access from: Main Library(at National Institute for Legislative and Democratic Studies (NILDS) eLibrary) Items: National Institute for Legislative and Democratic Studies (NILDS) eLibrary 8963 (8963) located at stacks