Spykman, Nicholas J. 1893-1943 The social theory of Georg Simmel / Nicholas J. Spykman ; with a new introduction by David Frisby - New Brunswick, New Jersey : Transaction Publishers, 2004 - lv, 291 p. ; 23 cm. Includes bibliographical references (p. 274-289) and index ISBN: 0765805715 (pbk.) RM113.21 Subjects--Personal Names: Simmel, Georg, 1858-1918 Subjects--Topical Terms: Sociology