1. The present status of methods of separating and determining the noble metals;Beamish;Mineral Science and Engineering,1973
2. A Textbook of Fire Assaying;Bugbee,1940
3. Fire Assaying;Shepard,1940
4. Recent Advances in the Analytical Chemistry of the Noble Metals;Beamish,1972
5. Analysis of Noble Metals - Overview and Selected Methods;Beamish,1977