00310nam a2200109Ia 4500082002300000100001700023245008300040260005700123300001000180500000500190700000500195  a338.10954bB661.AT  aBlyn, George  aAgricultural trends in India, 1891-1947boutput, availability and productivity  aPhiladelphiabUniversity of Pennsylvania Pressc1966  a370p.  a  a