Eras, Vincent J. M. <br/><br/>
Locks and keys throughout the ages / 
by Vincent J. M. Eras 
 - Folkestone :  Bailey and Swinfen,  1974 
 - 176 p. :  ill., port. ;  27 cm. 
<br/><br/> Originally published in 1957 by H. H. Fronczek, Amsterdam 
<br/><br/><label>ISBN: </label>0561002231 :  PND 6.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Locks and keys--History
<br/><br/><label>Dewey Class. No.: </label>683.309