- Arabic language--Sentences1
- Arabic language--Verb1
- Arabic letters1
- Arabic prose literature1
- Aragon (Spain). Cortes1
- Aramaic language1
- Architecture1
- Architecture, Roman1
- Arcibucci, Alessandro1
- Ardabīlī, Muḥammad ibn ʻAbd al-Ghanī, 1572-1627. Sharḥ al-Unmūdhaj1
- Ardabīlī, Yūsuf ibn Ibrāhīm, -1396 or 1397. Anwār li-aʻmāl al-abrār fī fiqh al-Imām al-Shāfiʻī1
- Argonauts (Greek mythology)1
- Aristotle1
- Armayūnī, Yūsuf ibn ʻAbd Allāh, -15511
- Armorial bookplates1
- Armorial stamps1
- Arrigucci, Andrea1
- Arrigucci, Donato1
- Art1
- Assassination1