Pharmaceutical Factory No. 2 an RWH Bibliography
'Pharmaceutical Factory No. 2' by an unnamed Laotian artist.  

Richard W. Hughes bibliography

Caveat lector: Links below point to articles found here at in their unexpurgated form. These may differ slightly or significantly from the print versions.


  • Hughes, R.W., Manorotkul, W. & Hughes, E.B. (2014) Ruby & Sapphire: A Collector's Guide. GIT, Bangkok, 384  pp.
  • Yavorskyy, V. with Hughes, R.W. (2014) Terra Garnet: Terra Firma. Printed in Hong Kong, Yavorskyy Co., 200 pp.
  • Halford-Watkins, J.F. (2012; edited by R.W. Hughes) The Book of Ruby & Sapphire. RWH Publishing, 434 pp.
  • Yavorskyy, V. & Hughes, R.W. (2010) Terra Spinel: Terra Firma. Printed in Hong Kong, Yavorskyy Co., 202 pp.
  • Hughes, R.W. (1997) Ruby & Sapphire. Boulder, CO, RWH Publishing, 512 pp.
  • Webster, R. & Read, P.G. (1994) Gems: Their Sources, Descriptions and Identification. Fifth edition, Butterworth-Heinemann, Oxford, 1026 pp. [Chapters 3 & 5 revised by R.W. Hughes].
  • Hughes, R.W. (1991) Ruby & Sapphire. Butterworths Gem Books, Bangkok, White Lotus, 339 pp. [same as Corundum, but with an appendix of updates].
  • Hughes, R.W. (1990) Corundum. Butterworths Gem Books, Northants, UK, Butterworth-Heinemann, 314 pp.



  • Mahtani, S. and Barta, P. (2013) Secret rocks and gem hunters. Wall Street Journal Money, 17  May. [feature article with Richard Hughes]
  • Byron, J. (1998) Colourful language [interview with Richard W. Hughes]. Australian Jeweller, May, p. 10.
  • Allison, T. (1991) The stars of Siam. Asia Magazine, No. F-18, June 21–23, pp. 6–11.
  • Ward, F. (1991) Rubies and sapphires. National Geographic, No. 4, Oct, pp. 100–125.
  • Kremkow, C. (1984) Thai fraud – fact or fiction? An interview with AIGS Lab director Richard Hughes. The Goldsmith, Oct, p. 42.

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Page updated 9 May, 2018