Dunn, Jon L <br/><br/>
Field guide to the birds of eastern North America / 
edited by Jon L. Dunn and Jonathan Alderfer with Paul Lehman. 
 - Washington, D.C., :  National Geographic,  2008 
 - 431 p. 
<br/><br/><label>ISBN: </label>9781426203305 
<br/><br/><label>Source: </label> 2009-02-10 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds--Canada, Eastern--Identification<br/>Birds--East (U.S.)--Identification