Higham. <br/><br/>
Nyayo za mwendo wa binadamu. : kitabu cha kwanza : watu wa kale. 

 - Nairobi.    Longhorn Publishers  2000 
<br/><br/><label>ISBN: </label>978-9966-497-62-8 9966497625 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GENERAL GEOGRAPHY & HISTORY.
<br/><br/><label>Dewey Class. No.: </label>930.12 HIG