Encyclopedias, Almanacs, Transcripts, and Maps
- Altdorf
- Altenburg
- alternator
- Althorp, John Charles Spencer, Viscount
- Alto Adige
- Altoaguirre, Manuel
- Altötting
- aluminum oxide
- alundum
- Alush
- Alva, Fernando Álvarez de Toledo, duque de
- Alvand
- Alvarado, Juan Bautista
- Álvarez, José
- Alvear, Carlos María de
- Alvear, Marcelo Torcuato de
- Alverstone, Richard Everard Webster, 1st Viscount
- Alvord, Clarence Walworth
- Alvord, Henry Elijah
- Alwand