Saunders, Hilary St. George <br/><br/>
Per ardua: the rise of British air power, 1911-1939 
by Hilary St. George Saunders 
 - Lonodon  Oxford University Press  1944 
 - 356p. 
<br/><br/> 15/- 
<br/><br/><label>Subjects--Topical Terms: </label><br/>UK - Air Force<br/>Aviation, Military - UK
<br/><br/><label>Dewey Class. No.: </label>N13x42 Sa87