Political parties : a sociological study of the oligarchical tendencies of modern democracy /
by Robert Michels ; Translated by Eden and Cedar Paul ; Introduction by Seymour Martin Lipset.
- Glencoe, Ill : London : Free Press ; Collier Macmillan, 1958
- xiv, 434 p. ; 22 cm.
A translation from the Italian ed. of the author's Zur soziologie des Parteiwesens in der moderne Demokratie, with an additional chapter written for the English ed. entitled: Party life in war-time