"[editor-in-chief] Michael W. Dempsey." <br/><br/>
Purnell's concise encyclopedia 

 -  Cape Town; Purnell  1984 
 - 255 
<br/><br/><label>ISBN: </label>0361064942 
<br/><br/><label>Dewey Class. No.: </label>030  / 1008