Wiley, Harvey W Proceedings of the Seventh Annual Convention of the Association of Official Agricultural Chemists Held at the U.S. National Museum August 28, 29, and 30, 1890; Volume no.28 Uber, Harvey August The Characteristics Of Zircon As A Means Of Identifying The Origin Of Gneisses And Schists Föppl, August Vorlesungen Uber Technische Mechanik Sök bara efter: Uber, Harvey August