3 second hand books in my Crafts: Jewellery catalogue.
A Field Guide to Australian Opals - Barrie O'Leary
East Malvern: Gemcraft Publications, Hardback, 1984, Hardback in Dust Wrapper £13.30
An Illustrated Dictionary of Jewelry: 2,530 Entries, Including Definitions of Jewels, Gemstones, Materials, Processes, and Styles, and Entries on Principal Designers and Makers, from Antiquity to the Present Day - Harold Newman
London: Thames & Hudson, Paperback, 1994, Paperback £14.80
De Omkering - Beppe Kessler
Amsterdam: Beppe Kessler, Hardback, 2003, Hardback £13.30