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Sydney Hobart Ball
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A Roman book on precious stones
Sydney Hobart Ball · Gemological Institute of America
338 sayfa · 1950
Precious stones / History / Aguas Subterraneas (Economia Mineral)
The mining of gems and ornamental stones by American Indians
Sydney Hobart Ball · [U.S. G.P.O.]
77 sayfa · 1941
Mineral industries, Prehistoric / Prehistoric Mineral industries