Webster, Robert.
Gems : their sources, descriptions, and identification / Robert Webster. - 3d ed. - London : Newnes-Butterworths, 1975. - xviii, 931 p., [23] leaves of plates : ill. (some col.) ; 26 cm.
Includes index.
Bibliography: p. 844-848.
0408705736 : £15.50
75310992
GB***
Precious stones.
Jewelry.
QE392 / .W34 1975
Gems : their sources, descriptions, and identification / Robert Webster. - 3d ed. - London : Newnes-Butterworths, 1975. - xviii, 931 p., [23] leaves of plates : ill. (some col.) ; 26 cm.
Includes index.
Bibliography: p. 844-848.
0408705736 : £15.50
75310992
GB***
Precious stones.
Jewelry.
QE392 / .W34 1975