Books by Justus Ludwig Adolph Roth:
Books in the extended shelves:
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Roth, Justus Ludwig Adolph, 1818-1892: The superior analyses of igneous rocks from Roth's tabellen, 1869 to 1884 : arranged according to the quantitative system of classification (Govt. Print. Off., 1904), also by Henry S. Washington (page images at HathiTrust)
Find more by Justus Ludwig Adolph Roth at your library, or elsewhere.