Distribution and variation of the brown towhees 
by John Davis.  
 - Berkeley  University of California Press  1951.  
 - ix, 119 p.  ill., maps, tables  17 cm.: 
<br/><br/> "A contribution from the Museum of Vertebrate Zoèology of the University of California."  
<br/><br/>Based on thesis - University of California. 
<br/><br/>Bibliography: p. 112-119.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Towhees.
<br/><br/><label>LC Class. No.: </label>QL1  / .C15 vol. 52, no. 1