Cohen, Norman S. Civil strife in American : a historical approach to the study of riots in America / Norman S. Cohen. - Hinsdale, Ill. : Dryden Press, c1972. - vi, 249 p. ; 22 cm. ISBN: 0030891477 Subjects--Topical Terms: Riot--United StatesViolence--United States LC Class. No.: E183 / C66 1972