A. L. M. Sowerby <br/><br/>
Dictionary of Photography 

, ASI_451 
, CAL_04206 ,CAL_04207 
 - W. C.  Fountain Press  1955 
 - 714 
<br/><br/> ASI Library 
<br/><br/><label>Dewey Class. No.: </label>R  / 770.3/Sow