00317cam a22001097a 4500008004000000082001300040100002300053245006500076260002800141300000900169650002900178180718b1961   xxu||||| |||| 00| 0 eng d  aZ49 Sm61  aSmith, Louis P. F.  aEvolution of agricultural co-operationcby Louis P. F. Smith  aOxfordbBlackwellc1961  a216p  aAgriculture, Cooperative