- Aglio, Agostino, 1777-18574
- Agnelli, Cosmo, 16th cent1
- Agnelli, Jacopo, 1701 or 2-1799.1
- Agnese, Battista, active 16th century1
- Agnus, Aîné1
- Agostini, Niccolo degli, 16th cent.1
- Agostino della Scarperia1
- Agraev, G. V.2
- Agresti, Olivia Rossetti, 1875-19602
- Agricola, Georg, 1494-1555.2
- Agricola, Rodolphus, 1443?-14851
- Agricultural Workers Organizing Committee. Northern California Area Council1
- Aguilar, Jorge de.1
- Ahearn, William F1
- Ahmad ibn `Umar ibn Muhammad ibn `Ali, fl. 16941
- Ahnelt, William Paul1
- Aḥmad bin ʻAlī Saʻīd, -17171
- Aigner, Lucien1
- Aiken, Conrad, 1889-19731
- Aiken, Conrad, 1889-1973.1
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