IUCN red list of threatened animals / 
Guest essay by Bruce Wilcox. 
 - Gland, Switzerland :  International Union for Conservation of Nature and Natural Resources /  1988. 
 - 154 p. ;  24 cm. 
<br/><br/>p. xiii-xvi 
<br/><br/><label>ISBN: </label>2880329353 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rare animals.<br/>Endangered species.