Bovill, E. W. Caravans of the old Sahara : an introduction to the history of th e western Sydan/ E. W. Bovill - London : Oxford University Press , 1933. - 300 p. : maps (incl. front.; part fold.) ; 23 cm. References at end of each chapter. Includes bibliographical references : p.272-276 Subjects--Geographic Terms: Sudan, French -- History Sudan -- Hist. Sahara Dewey Class. No.: 966.2 BOV