Sinkankas, John |
Gemology : an annotated bibliography / by John Sinkankas. |
Metuchen : Scarecrow press, 1993. |
Rose, Gustav, 1798-1873 |
Humboldt's travels in Siberia, 1837-1842 : the gemstones by Gustav Rose : Russian gemstones in the early part of the nineteenth century : extracts and commentaries on Gustav Rose's Reise nach dem Ural, 1837-1842 / translation and commentary by John Sinkankas ; edited by George M. Sinkankas. |
Phoenix : Geoscience press, 1994. |