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Cornelius S. Hurlburt
title
ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Gemmology
978-O-471-52667-4
(O-471-52667-3)
1991
George S. Switzer
C.H.
·
C.S.
·
S H
Cornelius S. Hurlbut