Interest groups on four continents
By: edited for the International Political Science Association, by Henry W. Ehrmann.
Contributors: Ehrmann, Henry Walter, 1908-
Publisher: University of Pittsburgh Press
Published: 1958
Place of publication: Pittsburgh
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 bibligraphies.