Encyclopedias, Almanacs, Transcripts, and Maps
- Bute, John Stuart, 3rd earl of
- Bute, John Stuart, Third Earl of
- Butenandt, Adolf
- Butler Brothers of Pennsylvania
- Butler's Rangers
- Butler, Benjamin F.
- Butler, Edward
- Butler, Josephine
- Butler, Octavia
- Butler, Percival
- Butler, Richard
- Butler, Thomas, Jr.
- Butler, Uriah
- Butler, William
- Butler, Zebulon
- Butts, Calvin
- Buxtehude, Dieterich (Also Spelled "Dietrich"; c. 1637–1707)
- Byrd II, William
- Byrnes Act
- Byron, George Gordon