Heald, F. D.  1872- <br/><br/>
A plant-disease survey in the vicinity of San Antonio, Texas. 
By Frederick D. Heald and Frederick A. Wolf ... 
 - Washington,  Govt. Print. Off.,  1912. 
 - 129 p. incl. maps, tables.  XIX pl.  23 cm. 
 - United States. Dept. of Agriculture. Bureau of Plant Industry. Bulletin  no. 226 .
 - Bulletin (United States. Bureau of Plant Industry) ;  no. 226. .
<br/><br/><label>LCCN: </label>agr12000141  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant diseases.
<br/><br/><label>LC Class. No.: </label>QK1  / .U45 no. 226 
<br/><br/><label>National Agricultural Library Call No.: </label>1P69B  / no.226