Encyclopaedia Aethiopica :  volume 4. O - X / 
edited by Siegbert Uhlig ; editorial board, Baye Yimam ... [et al.]. 
 - Wiesbaden :  Harrassowitz,  c2010. 
 - v. <1-4> :  ill., maps ;  26 cm. 
<br/><br/> Vol. 3 has corrigenda slip inserted. 
<br/><br/>Includes bibliographical references. 
<br/><br/>v. 1. A-C -- v. 2. D-Ha -- v. 3. He-N -- v. 4. O-X 
<br/><br/><label>ISBN: </label>9783447062466 (v. 4 :hardback : alk. paper) 
<br/><br/><label>LCCN: </label>2004464790 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Ethiopia--Encyclopedias.
<br/><br/><label>LC Class. No.: </label>DT373  / .E53 2003 
<br/><br/><label>Dewey Class. No.: </label>REF 963.003 Enc 2010 v.4 c.2