The economics of subsistence agriculture HASWELL, Margaret text New York ST Martin's Press MacMillan 1966 2nd ed. eng viii, 216 p. : ill. ; 22 cm. Colin Clark: Margaret Haswell AGRICULTURAL ECONOMICS 631.16 631.16 CLA e 240119 20240119101656 INLIS000000000003735 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)