Ancient History EncyclopediaA non-profit company publishing the world's most-read history encyclopedia; recommended by universities and other educational institutions.
Cincinnati History Library and ArchivesConsult this site to plan your visit to the library at the Cincinnati Museum Center, read the library rules, search the online catalog, and explore digital materials.
Digital Public Library of AmericaCollection of photographs, books, maps, news footage, oral histories, personal letters, museum objects, artwork, government documents; all free and available in digital format.
Internet History Sourcebooks ProjectOriginal source texts in a context that lends itself to educational use. Main collections include Ancient, Medieval, and Modern history, and subsidiary sourcebooks.
Library of CongressIncludes more than 168 items in print, digital and other formats, related to United States history. Finding aids include the Library Catalog, the Digital Collections Gallery, Index of Research Guides, etc.
Ohio History ConnectionFormerly the Ohio Historical Society, OHC partners with local historical societies; sponsors more than 50 historic sites and museums; collects, preserves, and manages objects and archives across the state.
Ohio MemoryComprised of over 4,500 photographs, newspapers, artifacts, and other selections from libraries, museums, and historical societies from across the state.
OhioLINK Digital Resource Commons: History & ArchivesContent from Ohio’s colleges and universities: Archaeological Atlas of Ohio, Greek & Latin Inscriptions, Historic Maps of Akron & Summit County, National Underground Railroad Freedom Center, Sanborn Historic Maps.