Lake Erie’s Yesterdays is a collection of historic photographs of northwestern Ohio, documenting the local history of the Erie Islands and Lake Erie's western basin. These black and white images were produced by Sandusky, Ohio, commerical photographer Ernst Niebergall between 1909 and 1915.

Wright Brothers Collection documents the invention of the airplane, the lives of the Wright Family, and the Wrights' flying exhibitions in Europe and the United States. The collection provides thorough coverage of the Wrights' early inventive period documenting their early gliders and flight testing in both North Carolina and Ohio.

Kent State Shootings Oral Histories is a collection of recordings related to the May 4, 1970 shootings of Vietnam War protestors at Kent State University. The oral histories include many eyewitness accounts of the event and its aftermath, contributed by people who were students, faculty members, and City of Kent residents at the time, as well as an account by an Ohio National Guardsman.

E. W. Scripps Papers is a collection of letters and photos from the Scripps Manuscript Collection at Ohio University. Edward Willis Scripps (1854-1926) was a businessman and journalist associated with the founding of the Scripps Howard chain of newspapers and the United Press International independent news gathering company.

Sanborn Historic Maps are large scale street plans produced by the Sanborn Fire Insurance company from 1867 to 1970. These maps are heavily used in both public and academic libraries by a wide range of researchers including local historians to locate and identify buildings and neighborhoods, urban historians to study the growth of towns and cities, and environmentalists concerned about impact of new developments.

Historic maps of Akron and Summit County, Ohio; contributed by the University of Akron Libraries.

Mayan Archaeology Photographs show Mayan architecture and scenery from Mexico, Honduras, and Guatemala and serves as a resource for the exploration of the various and complex interrelationships within Mayan society.

Greek and Latin Inscriptions is a collection of digitized squeezes (accurate paper impressions) of inscriptions from Greece, Italy, and Macedonia. The squeezes were contributed by the Center for Epigraphical and Palaeographical Studies at The Ohio State University, whose purpose is to foster the study of inscriptions and manuscripts and promote research opportunities for those interested in these primary sources of information about the ancient and mediaeval world.