Current directory of repositories and collections of primary source material across the United States and the United Kingdom. Includes the entire National Union Catalog of Manuscript Collections, as well as descriptions of holdings and information to contact repositories directly.

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Allows searching through historical documents, personal papers, and family histories held in over 1,000 archival institutions around the world.

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An electronic version of Iter Italicum, originally published in print by Paul Oskar Kristeller between 1963 and 1992. Considered the most comprehensive finding list available of previously uncatalogued or incompletely cataloged Renaissance humanistic manuscripts in libraries and collections all over the world.

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An international, multi-disciplinary catalog of books, internet resources, audiovisual materials, manuscripts, maps, sound recordings, and other materials held by over 20,000 libraries. Contains materials representing 400 languages.

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