Republic of Texas
- Ad Interim Government
- Adelsverein
- African Americans
- Alexander, Robert
- Allen Ranch
- Allen's Landing, TX
- Allen, Augustus Chapman
- Allen, Charlotte Marie Baldwin
- Allen, Henry R.
- Allen, John Kirby
- Allen, William Youel
- Anderson, Hannah English Payne
- Andrews, John Day
- Andrews, Stephen Pearl
- Annexation
- Archer
- Archer, Branch Tanner
- Archives War
- Arista, Mariano
- Army of the Republic of Texas
- Ashworth Act
- Austin
- Bagby, Thomas M.
- Baker, Moseley
- Baptist Church
- Barlough, Delilah Bennett Manning
- Barr, Robert
- Barron, Thomas Hudson
- Baylor University
- Beauchamps Springs, TX
- Bee, Barnard Elliott, Sr.
- Bell, Peter Hansborough
- Berry, Andrew Jackson
- Bigelow, Charles Grafton
- Bird's Creek Indian Fight
- Bird, John
- Birdsall, John
- Black Bean Episode
- Bogart, Samuel
- Borden, Gail, Jr.
- Borden, John Pettit
- Bourland, James G.
- Bowl
- Bremond, Paul
- Brigham, Asa
- Brightman, John Claver
- Brinson, Enoch
- Briscoe, Andrew
- Briscoe, Mary Jane Harris
- Brutus