Developed through a partnership between the Oklahoma Historical Society and the Oklahoma State University Library Electronic Publishing Center, this site makes 20 volumes of the Chronicles of Oklahoma available for researchers and the general public. Originally published by the Oklahoma State Historical Society, the available volumes range in date from 1921 to 1942. Users may search the volumes indices provided online, or search by keyword. The volumes contain a number of compelling articles on Oklahoma history, such as "Oklahoma as a Part of the Spanish Dominion, 1763-1803" and "My Experience with the Cheyenne Indians." The table of contents for each volume is a helpful way to browse through the different volumes. Along with the volumes currently available online, more volumes will be added in the future, time and money permitting.