Williams, John George. <br/><br/>
A field guide to the butterflies of Africa / 
George John W. 
 - London :  Collins,  1969. 
 - 238 p. 
<br/><br/> Open access. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Butterflies--Africa, Sub-Saharan--Identification.