T. O. Beidelman <br/><br/>
The Matrilineal Peoples of Eastern Tanzania (Zaramo, Luguru, Kaguru, Ngulu)  East Central Africa Part XVI 

 -  Taylor and Francis  1967 
<br/><br/><label>ISBN: </label>9781315309613 
<br/><br/><label>Source: </label>EBOOK