Clark, Grahame, 1907- Symbols of excellence : precious material as expressions of statu s / Grahame Clark. - Cambridge : Cambridge University Press, 1986. - ix, 126 p. : ill. ; 26 cm. Subjects--Topical Terms: Gems.--------Precious metals.--------Symbolism.--------Social status.-------- Dewey Class. No.: 394.85 CLA