Mathematisch-physische Klasse - Mathematischer Teil : Berichte ?ber die Verhandlungen der k?nichlich sachsischen Gesellschaft der Wissenschaften zu Leipzig
Various
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Yellow Fever : Its nature, diagnosis, treatment and prophylaxis, and quarantine regulations relating thereto
Various
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Testing the Colour of Gemstones - A Collection of Historical Articles on the Dichroscope, Filters, Lenses and Other Aspects of Gem Testing
Various
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