| Author | Titles | | 1.
| António Queirós Design (Firma) | 2 | | 2.
| António Ramalho, 1859-1916 | 0 | | 3.
| Author is: Ramalho, António, 1859-1916 | 15 | | 4.
| Antonio Ramirez, Juan | 1 | | 5.
| Antonio Reyes, Pedro | 1 | | 6.
| António Riba d'Ave, pseud. | 0 | | 7.
| Author is: Cruz, António, 1911-1989 | 59 | | 8.
| António Rodrigues | 1 | | 9.
| Antonio Rodríguez, Angel | 2 | | 10.
| António Rosado, 1952- | 0 | | 11.
| Author is: Rosado, António de Campos, 1952- | 17 | | 12.
| António Sampaio, 1916-1994 | 0 | | 13.
| Author is: Sampaio, António 1916-1994 | 11 | | 14.
| António, Santo, 1195-1231 | 4 |
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