1. Analyses of Rocks and Minerals 1880–1914;Clarke,1915
2. The Geology and Mining Industry of Leadville;Hillebrand;U.S. Geol. Survey Mon. (App. B),1886
3. Analysis of Silicate and Carbonate Rocks;Hillebrand;U.S. Geol. Survey Bulletin,1908
4. Analysis of Silicate and Carbonate Rocks;Hillebrand;U.S. Geol. Survey Bulletin,1919
5. Applied Inorganic Analysis;Hillebrand,1929