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Keywords from Image Description:
AK KekuleBonn SS. Mitarbeiter von August Kekul September in Darmstadt Juli in Bonn in Bonn Stehend hintere Reihe vlnr Thomas United Kingdom Friedrich Roderburg Doktorant Bernhard Mohr Friedrich Krafft Februar in Bonn Juni in Heidelberg August Peter Flesch Doktorant Stehend mittlere Reihe vlnr Wilhelm Koenigs April in