| Author | Titles | | 1.
| Portinho, Carmen, 1903-2001 | 2 | | 2.
| Portinho, Carmen Velasco, 1903-2001 | 0 | | 3.
| Author is: Portinho, Carmen, 1903-2001 | 2 | | 4.
| Portl, Klaus | 2 | | 5.
| Portland Art Museum (Estados Unidos) | 2 | | 6.
| Portmann, Adolf | 1 | | 7.
| Portnykh, Lyubov | 1 | | 8.
| Porto 2001, Porto (Portugal), 2001 | 4 | | 9.
| Porto, António da Costa | 1 | | 10.
| Porto, António da Silva, 1850-1893 | 0 | | 11.
| Author is: Porto, Silva, 1850-1893 | 33 | | 12.
| Porto, António Francisco da Silva, 1817-1890 | 0 | | 13.
| Author is: Porto, António Francisco Ferreira da Silva, 1817-1890 | 6 |
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