Hill, Albert. F. <br/><br/>
Economic botany:a textbook of useful plants and plant products. 
Hill, Albert. F. 
 - 2nd 
 - xii, 560 p. : ill. ; 21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany<br/>economic
<br/><br/><label>Dewey Class. No.: </label>581.6