00306nam a2200121 a 4500041000800000082001800008100002200026245005500048260004500103300001000148650001500158650001100173  aeng  a300.1bL66m63  aLoomis, Charles P  aModerns social theories, selected american writers  aPrincetonbD. Van nostrand companyc1961  a720 p  aSOCIOLOGIA  aTEORIA