Texas Historical Commission
The Texas Historical Commission (THC) is the state agency for historic preservation. See the Texas Historic Sites Atlas for a complete listing of all historical markers in the state.

Texas State Historical Association
Organized in Austin on March 2, 1897, the Texas State Historical Association is the oldest learned society in the state. Its mission is to “foster the appreciation, understanding, and teaching of the rich and unique history of Texas and, by example and through programs and activities, encourage and promote research, preservation, and publication of historical material affecting the state of Texas.” The association’s publications include the Southwestern Historical Quarterly, more than 150 scholarly books, the Texas Almanac, and the well-known Handbook of Texas Online. The online Handbook, the nation’s preeminent state history encyclopedia, attracts 400,000 visitors per month from more than 200 countries and territories around the world. Through its varied education programs, the Association directly serves more than 50,000 elementary through college-aged students each year, while indirectly reaching an additional 86,000 through its teacher training opportunities.

Texas Archeological Society
Founded in 1929 and with a current membership of over 1,400, The Texas Archeological Society (TAS) brings together Professional and Avocational Archeologists. Together we promote scientific archeological exploration and research, the preservation and conservation of archeological materials and sites, and the curation of their associated information 1

Houston Archeological Society
HAS mission is to foster enthusiastic interest and active participation in the discovery, documentation, and preservation of cultural resources (prehistoric and historic properties) of the City of Houston, the Houston metropolitan area, and the Texas Gulf Coast Region

San Jacinto Museum of History
The San Jacinto Museum of History is housed in the base of the San Jacinto Monument. The Museum is operated by the San Jacinto Museum of History Association – a non-profit organization—in association with the Texas Historical Commission. San Jacinto Veterans Biographies.

The Texas Army
The State of Texas Official 1836 Ceremonial and Reenactment Group

The Portal to Texas History
A gateway to rare, historical, and primary source material from or about Texas.

Texas General Land Office
The oldest state agency in Texas, the GLO was formed to determine who owned what and where after the Texians and Tejanos won independence. Today the General Land Office manages state lands, operates the Alamo, helps Texans recovering from natural disasters, helps fund Teas public education through the Permanent School Fund, provides benefits to Texas Veterans, and manages the vast Texas coast.

Texas Archival Resources Online
TARO (Texas Archival Resources Online) makes descriptions of the rich archival, manuscript, and museum collections in repositories across the state available to the public. The site consists of the collection descriptions or "finding aids" that archives, libraries, and museums create to assist users in locating information in their collections. Consider these an extended table of contents which describe unique materials only available at the individual repositories. In most cases, the collections themselves are NOT available online.

Comparing San Jacinto Battleground, 1856 to Present (Texas Parks and Wildlife Department)
The 1856 Yoakum map of the battleground, a 1930 Aerial Photo, and a present day satellite image are displayed together. Zoom into 1856 may to explore the battlefield and simultaneously view the changes through time in the maps to the right.

San Jacinto Eyewitness Accounts.