Encyclopedias, Almanacs, Transcripts, and Maps
- Abishalom
- Abishur
- Abitibi Lake
- Abiud
- ABM
- Åbo
- Abramoff scandal
- Abramovich, Sholem Yakov
- Abrantes
- Abravanel, Judah
- Abreu, José Antonio
- Abrikosov, Alexei Alekseyevich
- Abruzzi, Luigi Amedeo, duca degli
- Absaroka
- Absheron
- absolute differential calculus
- absolute monarchy
- absolute temperature scale
- Abu al-Abbas as-Saffah
- Abu al-Ala al-Maarri