Christian Friedrich Schönbein 1799-1868 : Ein Blatt zur Geschichte des 19. Jahrhunderts. [1. Teil] / von Georg W.A. Kahlbaum und Ed. Schaer.

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Christian Friedrich Schönbein 1799-1868 : Ein Blatt zur Geschichte des 19. Jahrhunderts. [1. Teil] / von Georg W.A. Kahlbaum und Ed. Schaer. Attribution-NonCommercial 4.0 International (CC BY-NC 4.0). Source: Wellcome Collection.