Walker, John Charles <br/><br/>
Plant Pathology Mcgrawhill Publications In The A S 

 - Newyork  Mcgraw Hill  1950 
 - 698p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Sciences--Botany--BiologyPhysiologyPathology
<br/><br/><label>Dewey Class. No.: </label>571.92  / WAL-P