Mannheim, Karl, 1893-1947. Essays on sociology and social psychology / Karl Mannheim ; edited by Paul Kecskemeti. - London : Routledge & Kegan Paul, 1953. - viii, 319 p. ; 23 cm. - International library of sociology and social reconstruction (Routledge & Kegan Paul) . ISBN: 0710033184 Subjects--Topical Terms: Sociology.Social psychology. Dewey Class. No.: 302 / MAN 1953