Alderton, David . <br/><br/>
The world Encyclopaedia of Birds & Birdwatching /  Textual Documents 
David Alderton. 
 - London :  Lorenz Books ,  2002. 
 - 255p. :  ill ;  28cm. . 
<br/><br/><label>Subjects--Index Terms: </label>Encyclopaedia Birds 
<br/><br/><label>Dewey Class. No.: </label>598.03  / Al 21 Bi