University of Guyana Library

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Sinkankas, John

Van Nostrand standard catalog of gems / John Sinkankas. - - New York : Van Nostrand Reinhold co, 1968 - xiii,286 p. : ill. -

Bibliography:p.274-276

ISBN: 0442076185

Subjects--Topical Terms:
Gems-Catalogs.
Precious stones -Catalogs.

LC Class. No.: Ref TS752 / S53