Tritton, A. S. <br/><br/>
The rise of the Imams of Sanaa 
by A. S. Tritton 
 - London  Oxford University Press  1925 
 - 141 p. ; 22 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Yemen--History