Decalo, Samuel, <br/><br/>
Historical dictionary of Chad /by Samuel Decalo. 

 - third edition. 
 - Lanham, Maryland :  Scarecrow Press,  (c)1997. 
 - xlviii, 601 pages :  maps ;  23 cm. 
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<br/><br/><label>LCCN: </label>96038910 
<br/><br/><label>LC Class. No.: </label>DT546  / .H578 1997 DT546