text New York McGraw-Hill 1943 2nd ed. Ing xii, 603 p.: Index 24 cm. Frederick Deforest Heald PLANT PATHOLOGY PARASITOSES VIROSES 632 632 HEA i INLIS000000000003959 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)