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• Biodiversity Heritage Library, United States (1)
• Center for Jewish History Digital Collections (852)
• Digital Commons @ DU | University of Denver Research (1)
• DigitalCommons@University of Nebraska - Lincoln (1)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (4)
• Gallica, Bibliotheque Numerique - Bibliothèque nationale de France (French National Library) (BnF), France (74)
• Harvard University (1)
• Helda - Digital Repository of University of Helsinki (2)
• Queensland University of Technology - ePrints Archive (5)
• School of Medicine, Washington University, United States (1)
• Universidad Politécnica de Madrid (1)
• University of Michigan (56)