O´Callaghan Marion <br/><br/>
Southern Rhodesia :  the effects of a conquest society on education, culture and information / 
Marion O´Callaghan 
 - Paris :  Unesco,  1977. 
 - 293 p.  cuadr. 
<br/><br/><label>ISBN: </label>9231013939 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>323.1 (689.1) =20 OCA