00942nam a2200217 i 4500000000240982CaOOAMICUS20030926191752.0030926s1950 xx 000 b eng cPUGita706 RPark, Robert Ezra1864-1944.(OLS)http://pug/name/73609The collected papers /Robert Ezra Park.Glencoe (IL) :Free Press,1950-v. ;22 cmv.1: Race and culture, [ed. by E.C. Hughes, C.S. Johnson, ...] 1950, 22-403 pSociologia. Classi sociali. Differenziazione socialeDiscriminazione razziale - Xenofobia.(OLS)http://pug/subject/27325PUGPUG1Magazzino4Mag. 706 R 21274393 274393PUGBibl2274393 105196 2084706 R(OLS)http://pug/classification/245245The collected papers(OLS)http://pug/title/132794