Knowles F <br/><br/>
Practical course in agriculture chemistry 

 -  1937 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>59993 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>E0J, G7   CS