Red data book. 

 - Morges, Switzerland :  IUCN,  1966- 
<br/><br/> Kept up to date by supplements.  Published by International Union for Conservation of Nature and Natural Resources. 
<br/><br/>Includes bibliographies. 
<br/><br/>Vol. 1. Mammalia, compiled by Noel Simon -- v. 2. Aves, compiled by Jack Vincent. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rare animals.<br/>Wildlife conservation.