Allen, Robert Porter. <br/><br/>
On the trail of vanishing birds. 

 - New York,  McGraw-Hill  [1957] 
 - 251 p.  illus.  21 cm. 
<br/><br/><label>LCCN: </label>57007225  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Whooping crane.<br/>Flamingos.<br/>Spoonbills.<br/>Rare birds.
<br/><br/><label>LC Class. No.: </label>QL 696 .G8 A4 1957  / A4 1957 
<br/><br/><label>Dewey Class. No.: </label>598.3  598.2*