Hagedorn, Robert An introduction into sociological orientations / Robert Hagedorn & Sanford Labovitz - New York : Wiley , 1973 - viii, 136p. ; 22 cm. Includes bibliographical references. ISBN: 0471338621 Subjects--Topical Terms: SociologySociology--ResearchSociology Dewey Class. No.: 301 / HAG-2