The Beverley Collection of Gems at Alnwick Castle

von Scarisbrick, Diana.
Philip Wilson gems and jewellery series
London : Philip Wilson Publishers, 2016.
Umfang/Format: xxxi, 320 p. : ill. ; 25 cm.

The Ralph Harari Collection of finger rings

von Boardman, John, 1927-
London : Thames & Hudson, 1977.
Umfang/Format: 149 p. : ill.

Classical gems : ancient and modern intaglios and cameos in the Fitzwilliam Museum, Cambridge

von Henig, Martin.
Cambridge ; New York : Cambridge University Press, 1994.
Umfang/Format: xxx, 538 p., [4] p. of plates : ill. (some col.) ; 32 cm.