Keenan, Philip E. <br/><br/>
Birding across North America :  a naturalist's observations / 
text and photographs by Philip E. Keenan. 
 - Portland, Or. :  Timber Press,  2002. 
 - 257 p. :  chiefly col. ill., col. map ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 244-249). 
<br/><br/><label>ISBN: </label>0881925284 
<br/><br/><label>LCCN: </label>2001037623 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bird watching--North America.
<br/><br/><label>LC Class. No.: </label>QL681  / .K44 2002 
<br/><br/><label>Dewey Class. No.: </label>598/.07/2347