Many books and other materials, such as government documents, may be primary sources. Try using these keywords with your topic to search for them: correspondence, diaries, interviews, papers, personal narratives.
Books and other materials held by libraries around the world. You may borrow (interlibrary loan) materials through the Worldcat database. Interlibrary loan is free! But give yourself time for a book to come through the mail.
Provides access to detailed maps of Oklahoma cities from late 1800s to the mid 1900s. View street names, street and sidewalk widths, property boundaries, building use and physical features, house and block numbers, pipelines, railroads, wells and dumps. Special features include the ability to manipulate the maps, magnify and zoom in on specific sections, and layer maps from different years. Dates vary by city.