Webster, Robert
Gems : their sources, descriptions and identification - 4th ed. - London Butterworths 1983 - xxii, 1006p. : ill., photos. (some col.)
0408011483
GEMS
PRECIOUS STONES
GEMSTONES
Jewellery
549.091 / W4
Gems : their sources, descriptions and identification - 4th ed. - London Butterworths 1983 - xxii, 1006p. : ill., photos. (some col.)
0408011483
GEMS
PRECIOUS STONES
GEMSTONES
Jewellery
549.091 / W4