Mannheim, Karl. Ideology and Utopia : an introduction to the sociology of knowledge / Karl Mannheim. - London : Routledge Kegan Paul , 1936 (rep1979). - xxxvi,318p. : ills.,figs ; 21cm . NULL ISBN: 071004609X NULL Subjects--Index Terms: KNOWLEDGE, SOCIOLOGY Dewey Class. No.: 306.42 / MAN/I