Cash James <br/><br/>
The Ray Society 

 - London  Ray society   1919 
 - 134p. : ill , 21 cm 
 -  Vol. 4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Universal Decimal Class. No.: </label>5  / F18