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- Arrese, Pedro José de, -17951
- Artigas, Gustavo R., author2
- Ashmead, Albert S.1
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- Auber, Pedro Alejandro, author1
- Avila, Miguel, author1
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- Åberg, Ernst, 1823-1
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- Barbachano, Miguel, author1
- Barragan, Vicente, author1
- Barranca, José Sebastián, 1830-1909, author1