Bleek, D. F.  1873-1948. <br/><br/>
Comparative vocabularies of Bushman languages / 
by D.F. Bleek. 
 - Cambridge :  University Press,  1929. 
 - [vi], 94p. :  map ;  23cm. 
 - .
<br/><br/> "This vocabulary is an attempt to show the distribution, the likenesses and differences of the many languages spoken by the tribes called 'Bushman' and of one [the Nama] called 'Hottentot'"-- Introd.