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Archives nationales (France)
National Archives and Records Administration
New York State Archives
Smithsonian Institution Archives
Archives Florida
ArchivesHub (UK)
Arizona Archives Online
EAD FACTORY (OhioLink)
Five Colleges
Maine Archival Collections Online
Northwest Digital Archives
Online Archive of California
Philadelphia Area Consortium of Special Collections Libraries
Rhode Island Archival & Manuscript Collections Online
Rocky Mountain Online Archive
Texas Archival Resources Online
Virginia Heritage
American Philosophical Society
Archives nationales (France)
Archives of American Art
Bibliothèque nationale de France
Bibliothèque nationale Archives et manuscripts
French Union Catalog
Brigham Young University
Center for Jewish History
Church of Latter Day Saints Archives
Columbia University
Cornell University
Duke University
Harvard University
Howard University
Indiana University
Library of Congress
Minnesota Historical Society
Massachusetts Institute of Technology
National Library of Medicine
New York Public Library
New York University
North Carolina State
Northwestern University
Princeton University
Rutgers University
Smithsonian Institution Archives