- Baruch, Bernard M. (Bernard Mannes), 1870-1965.1
- Base running (Baseball)1
- Baseball fields.1
- Baseball managers--United States.1
- Baseball--United States--History--20th century.1
- Baseball--Washington (D.C.)1
- Batista y Zaldívar, Fulgencio, 1901-1973.1
- Batting (Baseball)1
- Battleships.1
- Beaches.1
- Beef1
- Beer.1
- Beltramí, Raúl Morales, 1906-19461
- Benson, William Shepherd, 1855-1932.1
- Berry, Martha, 1866-1942.1
- Bethlehem Shipbuilding Corporation.1
- Billings, John S. (John Shaw), 1898-19751
- Bingham, Hiram, 1875-1956.1
- Bird watching.1
- Birth weight, low1