Bexar Archives is "one of the great historical treasures of the American continent," according to Historian Lester Gladstone Bugbee. The Bexar Archives preserve the military, civil, and political life of the Spanish province of Texas and the Mexican state of Coahuila y Texas, and constitute the principle resource for the Spanish and Mexican history of Texas from 1717–1836.
Bexar Archives Online features over 5,000 original documents (23,000 pages) that have been digitized from microfilm. Researchers may browse, by year, the originals and translations, or compare an original and its translation side-by-side. Full-text searching of the translations is also supported.