Gems: Their sources, descriptions and identification
Webster, Robert
Gems: Their sources, descriptions and identification - London: Butterworths & Co. (Publishers) Ltd., 1962
Vol. 1 (xii, 1p.-464p.)
Vol. 2 (vii, 465p.-792p.)
Chemical technology
Gemstones
671.15 / K2
Gems: Their sources, descriptions and identification - London: Butterworths & Co. (Publishers) Ltd., 1962
Vol. 1 (xii, 1p.-464p.)
Vol. 2 (vii, 465p.-792p.)
Chemical technology
Gemstones
671.15 / K2