Vallier, Ivan. Comparative methods in sociology : essays on trends and applications / Edited by Ivan Vallier. Contributors: David E. Apter [and others] - Berkeley, University of California Press, 1971. - viii, 474 p. 24 cm. Bibliography: p. [423]-467. ISBN: 0520017439 LCCN: 76121194 Subjects--Topical Terms: Social sciences--Methodology. LC Class. No.: H61 / .V33 Dewey Class. No.: 301 / VAC 1971