- Adorno, Juan Nepomuceno, 1807-18801
- Agea, Ramon, author1
- Agnoli, J. B. (Juan B.), author1
- Agote, Luis, 1868-1954 author1
- Aguilar, Fernando, 1856-1930, author1
- Aguilar, Manuel C., author1
- Aguilár, Alberto R., author1
- Aguilera, Carlos, active 1885, author1
- Aguirre y Valdes, Agustin, author1
- Aguirre, Francisco, 1862-, author1
- Aizpuru, Alberto, author1
- Aizpuru, Rafael, author1
- Albarrán y Beiza, Agustin, author1
- Alcala, Leonides, author1
- Alcántara, Filogonio, author1
- Alcocer, Pascual, author1
- Alcorta, Genaro, author1
- Alfaro, José, active 1890, author1
- Alfonso, Pedro Antonio.1
- Almaraz, Andrés, author1