Webb, J. E. (Joseph Ernest). <br/><br/>
Guide to living birds / 
J.E. Webb, J.A. Wallwork, J.H. Elgood. 
 - London :  MacMillan,  1979. 
 - 291 p. :  ill. maps ;  22 cm. 
<br/><br/><label>ISBN: </label>0333233328 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds--Classification.