Preservation information
City of Houston Historic Preservation Officer
Great Houston Preservation Alliance
Houston History Association
Houston Preservation City of Houston
National Trust
Texas Historical Commission
 

Museum information
American Association of Museums
San Jacinto Museum of History
Texas Association of Museums
Friends of San Jacinto Battlefield

Architectural Information
Historic American Buildings Survey (HABS)
Houston Architectural Information Forum
 

Visitor Information
Greater Houston Convention and Visitors Bureau
Houston Parks & Recreations Department

Archival Repositories
Baylor College of Medicine Archives
Bob Bailey Archive (photos)
Brazoria County Historical Museum
Catholic Archdiocese of Galveston-Houston
Fred Parks Law Library, South Texas College of Law
George Bush Presidential Library
Harris County Archives
Harris County District Clerk
Helen Hall Library, Local History Room
Holocaust Museum Houston
Hospitality Industry Archives, University of Houston
Houston Grand Opera Archives and Research Center
Houston Metropolitan Research Center, Houston Public Library
Houston Public Library Digital Archives
Houston Symphony Archives
Kinkaid School Archives
Lamar University, University Archives
Lunar and Planetary Institute
McGovern Research Center, Houston Academy of Medicine-Texas Medical Center Library
The Menil Collection Archives
Museum of Fine Arts, Houston Archives
Prairie View A&M University, Special Collections/Archives
Rosenberg Library, Galveston and Texas History Center
Rothko Chapel Archives
St. Thomas High School Archives
St. Vincent De Paul Church Archives
Salem Archives and Historical Research Center of Rosehill
Sam Houston Regional Library & Research Center
Texas Southern University, Special Collections
University of Houston Special Collections
University of Houston-Clear Lake, University Archives and Johnson Space Center History Collection
University of St. Thomas Archives
University of Texas M.D. Anderson Cancer Center
Woodson Research Center, Fondren Library, Rice University