Peterson, Roger Tory,  1908-1996. <br/><br/>
A field guide to western birds, 
by Roger Tory Peterson. 
 - Boston,  Houghton Mifflin company,  1941. 
 - 1 p.l.,  [v]-xviii p., 1 l., 240 p. col. front., illus. (incl. map) plates (part col.)  19 cm. 
<br/><br/> Colored plates accompanied by guard sheets with descriptive letterpress. 
<br/><br/>"Home-reference suggestions": p. [223]-224. 
<br/><br/><label>LCCN: </label>41009559  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birds--West (U.S.)
<br/><br/><label>LC Class. No.: </label>QL683  / .P4 
<br/><br/><label>Dewey Class. No.: </label>598