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- Astronomy--Religious aspects1
- Astronomy--Religious aspects--Islam1
- Astronomy--Religious aspects--Jainism1
- Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʻUmar, -1265. Hidāyat al-ḥikmah1
- Atonement1
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- Aveiro, Gabriel de Lencastre, Duque de, 1667-17451