World War II
- Abercrombie, James Smither
- Able, Mary Nees
- Abram, Jacques
- Acres Homes, TX
- Adair, Christia V. Daniels
- Adair, Paul Neal [Red]
- Adams, Lucian
- Addicks, TX
- African Americans
- Agriculture
- Aikin, A. M., Jr.
- Alger, Bruce Reynolds
- Allen, Roderick Random
- Alley, Shelly Lee
- Allright Corporation
- Aloe Army Air Field
- Alonzo, Ventura Martinez
- American G.I. Forum of Texas
- American General Corporation
- American Legion
- Anderson, Clayton and Company
- Anderson, Dillon
- Anderson, John Quincy
- Anderson, Ralph Alexander, Sr.
- Andrews, Jesse
- Archie, Ernest Alvin, Jr. [Tom Archia]
- Ashburn, Isaac Seaborn
- Aulick
- Avery, Frederick Bean [Tex]
- Aviation
- Ayres, Clarence Edwin
- Baker Botts
- Baker, Hines Holt, Sr.
- Barker, TX
- Barkley, Howard T., Sr.
- Barnett, Herman Aladdin III
- Beaumont Riot of 1943
- Bell, Paul Gervais, Jr.
- Bergstrom Air Force Base
- Bertner, Ernst William
- Bettis, Valerie Elizabeth
- Big Inch and Little Big Inch
- Bilingual Education
- Birkhead, Claude V.
- Blackstock, Leo Guy
- Block, Harlon Henry
- Bordelon, William James
- Bracero Program
- Braniff Airways
- Brantley, Hattie Rilla [H.R.]