Simmel, Georg, 1858-1918 On individuality and social forms; selected writings / Edited and with an introd. by Donald N. Levine. - xv, 395 p. 21 cm. - The Heritage of sociology . ISBN: 0226757757 0226757765 (pbk) Subjects--Topical Terms: Social psychologySosyal psikolojiSosyoloji--SözlüklerSociology LC Class. No.: HM51 / .S537 [1971]