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• Biodiversity Heritage Library, United States (1)
• BORIS: Bern Open Repository and Information System - Berna - Suiça (2)
• Brock University, Canada (2)
• Bucknell University Digital Commons - Pensilvania - USA (1)
• CentAUR: Central Archive University of Reading - UK (8)
• Chapman University Digital Commons - CA - USA (10)
• Consorci de Serveis Universitaris de Catalunya (CSUC), Spain (1)
• Digital Archives@Colby (2)
• DigitalCommons@The Texas Medical Center (2)
• DigitalCommons@University of Nebraska - Lincoln (6)
• Digitale Sammlungen - Goethe-Universität Frankfurt am Main (33)
• Doria (National Library of Finland DSpace Services) - National Library of Finland, Finland (1)
• Gallica, Bibliotheque Numerique - Bibliothèque nationale de France (French National Library) (BnF), France (67)
• Harvard University (34)
• Iowa Publications Online (IPO) - State Library, State of Iowa (Iowa), United States (9)
• Memoria Académica - FaHCE, UNLP - Argentina (3)
• Universidad Autónoma de Nuevo León, Mexico (4)
• Université de Lausanne, Switzerland (1)
• Université de Montréal, Canada (1)
• University of Michigan (810)