Summer Institute of Linguistics.  Papua New Guinea Branch. <br/><br/>
SIL in Papua New Guinea / 
Summer Institute of Linguistics. 
 - Ukarumpa :  Summer Institute of Linguistics,  1976. 
 - 1 folded sheet : ill. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>Summer Institute of Linguistics. Papua New Guinea Branch.