Engraved gems : their history and an elaborate view of their place in art

von Sommerville, Maxwell, 1823-1904
Philadelphia : published by the author, 1889.
Umfang/Format: 783 p., 104 l. of plates : ill. ; 28 cm.

Cameo and intaglio; : engraved gems from the Sommerville collections.

Philadelphia, : University museum, 1957.
Umfang/Format: [33] p., 1 pl. ; 22 cm.