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by King, Gary; Keohane, Robert O; Verba, Sidney
by Schlozman, Kay Lehman; Brady, Henry E.; Verba, Sidney
by Verba, Sidney
by Binder, Leonard (CON); Coleman, James S. (CON); La Palombara, Joseph (CON); et al.
by Pye, Lucian W.; Verba, Sidney
by Pye, Lucian W.; Verba, Sidney; Levine, Donald N. (CON); et al.
by Almond, Gabriel Abraham; Verba, Sidney