Armstrong, Sydney Frederick. <br/><br/>
British grasses and their employment in agriculture / 
S. F. Armst rong. 
 - Cambridge :  University Press ,  1937. 
 - ix, 350p. :  ill. ;  23 cm. 
<br/><br/> "Third edition, 1937." 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grasses--Great Britain.
<br/><br/><label>Dewey Class. No.: </label>633.2