Teaching social studies in the elementary school / Ralph C. Preston, Wayne L. Herman Preston, Ralph C. Herman, Wayne L. jt. aut. Social sciences Study and teaching (Elementary) LB1584 .P68 1974 372.83044 PRT Includes bibliographical references and index. New York, Holt, Rinehart and Winston, 1974 1974 1974 Text vi, 584 p. : eng