Perry, John A. 1931- The social web; an introduction to sociology [by] John and Erna Perry. - San Francisco, Canfield Press [1973] - xiv, 575 p. illus. 26 cm. Includes bibliographies. ISBN: 0063867603 LCCN: 72010902 Subjects--Topical Terms: Sociology. LC Class. No.: HM51 / .P44