Diersing, Victor Eugene,  <br/><br/>
A systematic revision of several species of cottontails (Sylvilagus) from North and South America / 
Victor Eugene Diersing. 
 - 9 microfiches ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.)-University of Illinois, 1978. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cottontails.