Roberts, Ron E. Social movements; between the balcony and the barricade [by] Ron E. Roberts [and] Robert Marsh Kloss. - Saint Louis, Mosby, 1974. - xvii, 200 p. illus. 26 cm. Bibliography: p. 182-194. ISBN: 0801641349 LCCN: 73012577 Subjects--Topical Terms: MOVIMIENTOS SOCIALES LC Class. No.: HN8 / .R6 Dewey Class. No.: 301.24/2