Baker, Richard St. Barbe,  1889- <br/><br/>
Sahara challenge / 
Richard St. Barbe. 
 - London:  Lutterworth Press  [1954] 
 - 152 p.:  ill.;  23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water-supply--Sahara.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Sahara.
<br/><br/><label>Dewey Class. No.: </label>916.61 BAK