A part of the Portal to Texas History, the Texas Digital Newspapers Program contains digitized and searchable issues from over 1600 different historical newspapers.
UTSA Special Collections has a large collection of digitized archival materials documenting area history, including photographs, archival documents, and oral histories.
Hosted by University of North Texas, this website collects primary source materials from libraries and archives around the state. Formats include newspapers, maps, photographs, legal documents, and more.