A.I. and E.R. Root <br/><br/>
The ABC and XYZ of bee culture 

 - Medinaohio  The A.I. Root co.  1920 
 -  856p. : ill ; 25 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science<br/>1920
<br/><br/><label>Universal Decimal Class. No.: </label>11  / O24