text Zutphen W.J. Thieme & Cie 1922 Bel viii, 86 p.: ill.; 20 cm. P. Joh Janssen AGRICULTURAL ECONOMICS FARM BUDGETS 631.4 631.4 JAN g INLIS000000000003739 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)