Thatcher, Roscoe Wilfred,  1872-1933 <br/><br/>
The chemistry of plant life / 
by R. W. Thatcher. 
 - New York :  McGraw-Hill,  repr. 1921. 
 - xvi, 268 p. ;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botanical chemistry.
<br/><br/><label>Dewey Class. No.: </label>581.19