000 00276nam a2200121Ia 4500
041 _aEN
082 _bGAV
100 _aGaver, Frederic .
245 0 _aPrinciples of Economics / Frederic Gaver.
260 _bBoston : Ginn & Company ,
_c1937
300 _a686
942 _cBK
999 _c13368
_d13368