Collin, J. E. <br/><br/>
Empididae. 

 - Cambridge [Eng.]  University Press,  1961. 
 - 3 v. (viii, 782 p.)  illus.  25 cm. 
 - His British flies,  v. 6 .
<br/><br/><label>LCCN: </label>61019162  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Empididae.
<br/><br/><label>LC Class. No.: </label>QL537.E5  / C58 
<br/><br/><label>Dewey Class. No.: </label>595.77