00437nam a2200133Ia 4500008004100000010001300041040001700054082002500071100002000096245008300116260003400199300001500233650005500248190328s9999||||xx |||||||||||||| ||und||  a62-11861  aNITILcNITIL  221sta330.109bS465M  aSeligman, Ben B 0aMain currents in modern economicsbeconomic thought since 1870cBen B Seligman  aGlencoebThe Free Pressc1962  axiv, 887p.  aEconomics; Economic-history-19th Century Socialism