| Author | Titles | 1.
| Placer, Xavier | 1 | 2.
| Plachy, Sylvia, 1943- | 4 | 3.
| Plácido, Alberto | 8 | 4.
| Plácido, Ana, 1831-1895 | 4 | 5.
| Plácido, Ana Augusta, 1831-1895 | 0 | 6.
| Author is: Plácido, Ana, 1831-1895 | 4 | 7.
| Plácido, José | 1 | 8.
| Plácido, José António, 1959- | 3 | 9.
| Plácido, Laurentino | 1 | 10.
| Plácido, Manuel Alves, Padre | 1 | 11.
| Plácido, Mide, 1957- | 2 |
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