00611     2200205   4500001002100000005001500021035002000036008004100056245007800097100001700175250001200192260005100204300003500255084001700290082001100307650002700318650002400345700002200369990001400391INLIS00000000000371520240119101904  a0010-0621000001240119                f          0 eng  1 aThe economics of subsistence agriculture /cColin Clark: Margaret Haswell1 aCLARK, Colin  a3rd ed.  aNew York :bST Martin's Press MacMillan,c1967  aviii, 245 p. :bill. ;c22 cm.  a631.16 CLA e  a631.16 4aAGRICULTURAL ECONOMICS 4aSUBSISTENCE FARMING1 aHASWELL, Margaret  a1/KA/2021