Gertsch, Willis J. <br/><br/>
American spiders 

 - 2 ed. 
 - New York :  Van Nostrand,  1979 
 - 272 p.  : láms. 
<br/><br/><label>LCCN: </label>12245 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aranas.
<br/><br/><label>Dewey Class. No.: </label>595.44  / G4 1979