Reconstruction
- Ab Initio Question
- Abbott, Charles L.
- Abney, James Addison
- Addicks, TX
- Adobe Walls, Second Battle of
- African Americans
- African Americans and Politics
- African Methodist Episcopal Church
- African-American Churches
- Allen Ranch
- Allen, Charlotte Marie Baldwin
- Allen, Henry R.
- Allen, Richard
- Allen, Samuel William
- Allison, Robert Clay
- Andrews, John Day
- Apache Indians
- Armstrong, John Franklin
- Armstrong, Micajah Louis
- Austin County
- Austin, John Overton
- Baker Botts
- Baker, Cullen Montgomery
- Baker, William Robinson
- Baldwin, Francis Leonard Dwight
- Ball, George
- Barkley, Benjamin Franklin
- Bartholomew, Eugene Carlos
- Barziza, Decimus et Ultimus
- Bayland Orphans' Home For Boys
- Beaumont, Eugene Beauharnais
- Berry, Andrew Jackson
- Beville, Alexander Archer
- Bexareños Democratas
- Big Tree
- Black Codes
- Black Seminole Scouts
- Black State Conventions
- Bledsoe, Albert A.
- Blessing Brothers
- Bliss, Zenas Randall
- Booty, Augustus James
- Borden, John Pettit
- Botts, Walter Browne
- Bowers, Marmion Henry
- Brady, John Thomas
- Bremond, Paul
- Brown, James Madison
- Bryan, Louis A.
- Bryant, Charles W.