Armstrong, Sydney Frederick <br/><br/>
British grasses and their employment in agriculture / 
by S. F. Armstrong 
 - Cambridge :  Cambridge University Press,  1937 
 - ix, 350 p. :  ill. ;  23 cm. 
<br/><br/> Third edition, 1937 
<br/><br/>References at end of chapters 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grasses--Great Britain