CLARK, Colin HASWELL, Margaret text New York ST Martin's Press MacMillan 1967 3rd ed. eng viii, 245 p. : ill. ; 22 cm. Colin Clark: Margaret Haswell AGRICULTURAL ECONOMICS SUBSISTENCE FARMING 631.16 631.16 CLA e 240119 20240119101904 INLIS000000000003715 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)