Key, V. O. A primer of statistics for political scientists / [by] V. O. Key, Jr. With a foreword by Frank Munger. - New York : Crowell, 1959. - xii, 209 p. illus. 21 cm. Includes bibliographical references. Subjects--Topical Terms: Political statistics. Dewey Class. No.: 320.0212 / KEP 1959