The SciencesJuly 12, 1919
Platinum and Palladium in Brazil
Account and History of Neglected Occurrences of These Rare and Noble Metals
Stories by George F. Kunz
The SciencesSeptember 28, 1912
Professor Dr. Paul Walden, A 10,000-ton Motor-driven Ship
The SciencesMarch 3, 1906
Precious Stones in 1904
The SciencesFebruary 24, 1906
Use of Diamonds in the Industries
Diamond Tools
The SciencesFebruary 10, 1906
Genesis of the Diamond
The SciencesMay 28, 1904
Facsimile of Dr. Joseph Priestley's Invoice on Coming to America in 1794
The SciencesMarch 1, 1902
Precious Stones in the United States in 1901
The SciencesJanuary 2, 1897
Gem Fields of the World
The SciencesSeptember 3, 1892
Mineralogical Exhibit at the World's Fair
The SciencesFebruary 6, 1886
Agatized and Jasperized Wood of Arizona