Lewis, Paul G. The practice of comparative politics : a reader / edited by Paul G. Lewis, David C. Potter and Francis G. Castles. - 2nd ed. - London : Longman, 1978 - viii, 380 p. : ill. ; 22 cm. Includes bibliographies and indexes. Open access. ISBN: 0582490332 LCCN: 7840212 Subjects--Topical Terms: Comparative government--Addresses, essays, lectures.