Francis Walker, F.L.S. <br/><br/>
Catalogue of British Hymenoptera in the British museum  Part-1 

 - London  The trustees of the British museum  1876 
 -  236p. : ill ; 24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science<br/>1876
<br/><br/><label>Universal Decimal Class. No.: </label>3  / S16