Cohen, Lillian Statistical methods for social scientists an introduction. - New York Prentice-Hall 1954. - 181 p. illus. 22 cm. - Prentice-Hall sociology series . LCCN: 54006400 /L Subjects--Topical Terms: StatisticsSocial sciences--Statistics. LC Class. No.: HA29 / .C65 Dewey Class. No.: 311.2