Interest groups on four continents.
Subtitle: Edited for the International Political Science Association, by Henry W. Ehrmann.
Contributors: Ehrmann, Henry Walter, 1908- ed.
Publisher: University of Pittsburgh Press (
Published: 1964
Place of publication: [Pittsburgh]
Language: eng
Number of pages: 316
Subjects: Pressure groups
Notes: "The ... result of a round-table conference held by the International Political Science Association at the University of Pittsburgh, September 9-13, 1957."  Includes bibliography.