Peterson, Roger Tory,  1908- <br/><br/>
The birds  y Roger Tory Peterson and the editors of Time-life book 

 - 2nd ed 
 - Hong Kong  Time-Life Books  1980 
 - 192p. ill. 28cm 
 - Life Nature Library .
<br/><br/>Bibliography: p.186 
<br/><br/><label>LCCN: </label>80-52118