Databases

Between 1803 and 1925 more than 1,000 political, expedition, geographical, meteorological, and topographical maps of the Oklahoma region were produced. Digitized by the McCasland Foundation.

The Merck Manuals are a comprehensive medical information source covering thousands of topics in all fields of medicine. There are 3 versions available - Professional, Consumer and Veterinary.

Military & Government Collection is a database of full-text journals and periodicals pertaining to all branches of the military and government.

Archive of the Creek/Muskogee Nation newspaper going back to 1978. 

National Geographic Virtual Library offers access to the complete archive of National Geographic magazine — every page of every issue — along with a cross-searchable collection of books, maps, images, and videos.

A listing of all Native American newspapers held by the Oklahoma Hisorical Society from the 19th Century to the Present. Many are available for viewing online.

Access full text to over 12000 local, national and international newspapers and news services from 1980-present. Some newspapers are available in image edition, meaning you can view them like browsing a newspaper.

Newspaper Source Plus provides a full-text digital collection of the world's major news content. It includes millions of articles from newspapers, newswires and news magazines.