- Abbiate, Roland 1
- Abbotts, Edward ‘Crash’ 1, 2
- Abelson, Tamara 1
- Abshagen, Karl 1
- Adenauer, Konrad 1, 2, 3, 4
- Akers, Sir Wallace 1
- Alemayehu, Prince 1
- Alexander II, Tsar 1
- Alexander of Yugoslavia, King 1, 2
- Alexandrovna, Grand Duchess Xenia 1, 2
- Aliens Act (1905) 1
- Andrial, Dr Jindrich 1
- Andrial, Juliana 1
- Angelov, Pavel 1
- Anrep, Boris 1
- Apollonowitsch, Vladimir 1
- Archer, Jane 1
- Aschmann, Gottfried 1
- Ashley, Gisela 1
- Attila the Hun 1
- Attlee, Clement 1, 2
- Augusta, Empress 1
- Ayer Jr, Frederick 1, 2, 3