Hurd, Paul D., Jr. <br/><br/>
The bee family Oxaeidae; with a revision of the north american species (Hymenoptera: Apoidea) 

 - Washington :  Smithsonian Institution,  1976 
 - 75 p.  : ilus. 
 - Smithsonian contributions to zoology  ; 220 .
 - Smithsonian contributions to zoology  ; 220 .
<br/><br/><label>LCCN: </label>17432 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abejas.
<br/><br/><label>Dewey Class. No.: </label>595.799  / H8