00933nam a2200205 i 4500000000242013CaOOAMICUS20030926195408.0030926s1911 xx 000 b eng cPUGita706 KSumner, William Graham1840-1910.(OLS)http://pug/name/73478What social classes owe to each other /William Graham Sumner.New York ;London :Harper & Brothers,[1911]169 p. ;17,5 cmSociologia. Classi sociali. Differenziazione socialeRelazioni fra differenti classi, gruppi e strati sociali.(OLS)http://pug/subject/28167PUGPUG1Magazzino4Mag. 706 K 52275469 275469PUGBibl2275469 62864 2084706 K(OLS)http://pug/classification/1171245What social classes owe to each other(OLS)http://pug/title/133579