Costin, A. B. <br/><br/>
Conservation / 
edited by A. B. Costin and H. J. Frith. 
 - [Harmondsworth, Eng.]  Penguin Books  [1971] 
 - 300 p. :  illus. maps,  18 cm. 
<br/><br/><label>ISBN: </label>0140213139 
<br/><br/><label>Dewey Class. No.: </label>333.72  / C755