Cassar, George H. <br/><br/>
Trial by gas : the British Army at the Second Battle of Ypres 

 -  University of Nebraska Press  2014 
<br/><br/><label>ISBN: </label>9781612346908 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Wars & Conflicts <br/> World War I<br/>Gases, Asphyxiating and poisonous--War use--History--20th century.,Ypres, 2nd Battle of, Ieper, Belgium, 1915.<br/>HISTORY