Lehmann, Martin E. <br/><br/>
A biographical study of Ingwer Ludwig Nommensen (1834-1918), pioneer missionary to the Bataks of Sumatra 
Martin E. Lehmann 
 - 1. Aufl. 
 - XI, 362 S. : Ill. 
 - Studies in the history of missions  13 .
<br/><br/><label>ISBN: </label>0-7734-8963-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biographie<br/>Nommensen