Purves, Frederick and others <br/><br/>
The focal encyclopedia of photography 

 - London  ; The Focal Press  , 1960 
 - Various pages  , V.2 
<br/><br/><label>ISBN: </label> 130 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia<br/>Photography-Encyclopedia
<br/><br/><label>Dewey Class. No.: </label>770.3  / PUR