| Author | Titles | | 1.
| Ricardo Carvalho + Joana Vilhena Arquitectos (Firma) | 5 | | 2.
| Related author: Carvalho, Ricardo, 1971- | 27 | | 3.
| Related author: Vilhena, Joana, 1973- | 3 | | 4.
| Ricardo da Cruz-Filipe, 1934- | 0 | | 5.
| Author is: Filipe, Cruz, 1934- | 36 | | 6.
| Ricardo, David, 1772-1823 | 8 | | 7.
| Ricardo Filho de Josefina, (nome de artista) | 0 | | 8.
| Author is: Josefina, Ricardo Filho de (nome de artista) | 1 | | 9.
| Ricardo Hogan, 1843-1891 | 0 | | 10.
| Author is: Hogan, Ricardo, 1843-1891 | 1 | | 11.
| Ricardo Jacinto, 1975- | 0 | | 12.
| Author is: Jacinto, Ricardo, 1975- | 19 | | 13.
| Ricardo Leone, 1891-1971 | 0 | | 14.
| Author is: Leone, Ricardo, 1891-1971 | 7 | | 15.
| Ricardo Mealha, Atelier (Firma de Design) | 0 | | 16.
| Author is: Atelier Ricardo Mealha (Firma de Design) | 8 | | 17.
| Ricardo, Rui, 1974- | 1 | | 18.
| Ricardo, Rui Pinto | 8 |
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