00551    a2200145   4500082002100000100003100021245013600052250001400188260005500202300004500257650002900302650002800331650002100359653002500380  a338.10942bV561f  aVenn, John Archibald, 1883  aThe foundations of agricultural economics, together with an economic history of British agriculturae during and after the Great war  a[2nd ed.]  aCambridge (Eng.)bCambridge University Pressc1933  axx, 600p.billus., maps, tables, diagrs.  aAgricultural development  aAgricultural production  aEconomic history  aProduction economics