Hartjen, Clayton A., 1943- Possible trouble : : an analysis of social problems / [electronic resource] / Clayton A. Hartjen.. — New York : : Praeger,, 1977.. — xiv, 351 p. : : ill. ; 24 cm. Includes bibliographical references and index. ISBN: 0275242307 : $10.95 9780275242305 LCCN: 76041960 Subjects--Topical Terms: Social problems. LC Class. No.: HN16 / .H37 Dewey Class. No.: 362/.042