Neumann (Sigmund) ed. - Modem Political Parties. Approaches to comparative politics. Edited by Sigmund Neumann. Contributors : Frederick C. Barghoorn, Samuel H. Beer, Gwendolen M. Carter, Andrew Gyorgy, Charles A. Micaud, Sigmund Neumann, Felix Oppenheim, Dankwart Rustov, Robert A. Scalapino, E.E. Schattschneider