00383nam a2200145Ia 4500008004100000082001600041100001900057245003300076260004400109300000800153650001400161650002000175653002000195700002200215170901s1953    xx            000 0 und d  a338.1bC22P  aCase, H. C. M. 0aPrnciples of Farm Management  aChicagobJ. B. Lippincott Companyc1953  a466  aEconomics  aSocial sciences  aFarm management  aJohnston, Paul E.