- Aragon (Spain). Cortes1
- Aramaic language1
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- Architecture, Roman1
- 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
- Arithmetic1
- Armenian Church1
- Arnaldus, de Villanova, -13111
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- Austria--Lambach (Upper Austria)1