Smail, R. C. <br/><br/>
Crusading warfare (1097-1193) / 
by R. C. Smail 
 - Cambridge :  At The University Press,  1956 
 - 272 p. :  ill. ;  25 cm. 
<br/><br/> Includes Index 
<br/><br/><label>ISBN: </label>0521097304 
<br/><br/><label>LCCN: </label>56-058455 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crusades--Influence