Content Provider
Memorial University of Newfoundland: Digital Archives Initiative (DAI)
254
The Portal to Texas History (University of North Texas)
40
Hathi Trust Digital Library
29
Gallica - bibliothèque numérique de la Bibliothèque nationale de France (BnF)
27
The Library of Congress: American Memory
23
Harvard University: Harvard Collections
4
University of Wisconsin, Milwaukee: UWM Libraries Digital Collections
4
University of Florida: Digital Library Center
3
York University Digital Library
3
Biblioteca Virtual del Patrimonio Bibliográfico
2
APS Digital Library (American Philosophical Society)
1
Catálogo Colectivo de la Red de Bibliotecas de los Archivos Estatales
1
RUcore - Rutgers University Community Repository
1
Real Academia de la Historia: Biblioteca Digital
1
University of North Texas: UNT Digital Library
1
Washington State University: WSU Libraries Digital Collections
1