| Allen County Public Library |  | |
| Biblioteca Nacional de Portugal |  | http://purl.pt/index/geral/PT/index.html |
| Biodiversity Heritage Library |  | https://www.biodiversitylibrary.org |
| BNF Gallica |  | https://gallica.bnf.fr |
| Boston Public Library |  | https://www.bpl.org |
| Brandeis University |  | |
| Brigham Young University |  | |
| British Library |  | https://www.bl.uk |
| Brown University |  | |
| California Digital Library |  | https://www.cdlib.org |
| Columbia University |  | |
| David Rumsey Cartography |  | https://www.davidrumsey.com |
| Duke University |  | https://library.duke.edu |
| East Carolina University |  | https://www.ecu.edu |
| Fondo Antiguo de la Universidad de Sevilla |  | |
| George Washington University |  | https://www.gwu.edu |
| Georgetown University |  | https://www.georgetown.edu |
| Getty Research Institute |  | http://www.getty.edu/research/ |
| Google Books |  | https://books.google.com |
| Hamilton College |  | http://beinecke.hamilton.edu |
| Heidelberg University |  | https://digi.ub.uni-heidelberg.de |
| Internet Archive |  | https://www.archive.org |
| John Carter Brown Library |  | https://www.brown.edu/academics/libraries/john-carter-brown/ |
| Leventhal Map Center |  | https://www.leventhalmap.org |
| Library of Congress |  | https://www.loc.gov |
| Lincoln Financial Foundation Collection |  | https://www.lincolncollection.org |
| McGill University |  | https://www.mcgill.ca/library/ |
| Memorial University of Newfoundland |  | http://collections.mun.ca/cdm/landingpage/collection/cns |
| National and University Library of Iceland |  | |
| National Library of Jamaica |  | https://nlj.gov.jm |
| New York Public Library |  | https://www.nypl.org |
| Newberry Library |  | https://www.newberry.org |
| Princeton Theological Seminary |  | https://library.ptsem.edu |
| Project Gutenberg |  | https://www.gutenberg.org |
| Public Library of Cincinnati |  | |
| Smithsonian Libraries |  | https://www.si.edu |
| Southern Methodist University |  | |
| State Library of New South Wales |  | https://www.sl.nsw.gov.au |
| University of Connecticut |  | |
| University of Illinois Urbana-Champaign |  | https://archive.org/details/university_of_illinois_urbana-champaign |
| University of North Carolina at Chapel Hill |  | |
| University of Pittsburgh |  | https://www.pitt.edu |
| University of Texas at Austin |  | https://repositories.lib.utexas.edu |
| University of Toronto |  | https://onesearch.library.utoronto.ca |
| University of Virginia |  | https://www.library.virginia.edu |
| Wellcome Collection |  | https://wellcomecollection.org |
| Wellesley College |  | |
| World Digital Library |  | https://www.wdl.org/ |
| Yesterday's Muse |  | https://www.websterbookstore.com |
| York University |  | |
