KRAUS, EDWARD HENRY.
Gems and gem materials. By Edward Henry Kraus & Chester Baker Slawson. 3d ed.
KRAUS, EDWARD HENRY. Gems and gem materials. By Edward Henry Kraus & Chester Baker Slawson. 3d ed. © 21Apr39; A128138. Edward Henry Kraus (A); 16Nov66; R397366.
Edward Henry Kraus|A