Sperlich, Peter W., 1934- Conflict and harmony in human affairs: a study of cross-pressures and political behavior / [by] Peter W. Sperlich. - Chicago: Rand McNally, [1971] - xii, 256 p. illus. 24 cm. - American politics research series . Bibliography: p. 222-241. LCCN: 71169138 Subjects--Topical Terms: Political sociology. LC Class. No.: JA76 / .S72 Dewey Class. No.: 301.2372 / SPC