Collins, Robert O. <br/><br/>
The Southern Sudan in historical perspective 
Robert O. Collins 
 - Tel Aviv  Published for the Shiloah Center by University Tel Aviv Students Association  1975 
 - 101 p. ;  21 cm. 
 - Study series .
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Sudan--Politics and government<br/>Sudan--History