Sladen, Frederick William Lambert. <br/><br/>
The humble-bee,  its life-history and how to domesticate it, 
with descriptions of all the British species of Bombus and Psithyrus, by F. W. L. Sladen ... 
 - London,  Macmillan and co., limited,  1912. 
 - xiii, 283 p.  front., illus., vi pl. (5 col.)  23 cm. 
<br/><br/><label>LCCN: </label>agr13000057  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bumblebees.<br/>Bumblebees--Great Britain.
<br/><br/><label>LC Class. No.: </label>QL568.A6  / S63