| Author | Titles | 1.
| Sampaio, Gonçalo, 1865-1937 | 4 | 2.
| Sampaio, J. Mancelos | 2 | 3.
| Sampaio, J. Salvado | 2 | 4.
| Sampaio, Jaime Salazar, 1925- | 20 | 5.
| Sampaio, Joana | 1 | 6.
| Sampaio, João Coelho, 1750-1820 | 2 | 7.
| Sampaio, Joaquim A. | 1 | 8.
| Sampaio, Joaquim da Costa Lima, | 2 | 9.
| Sampaio, Jorge | 3 | 10.
| Sampaio, Jorge, 1939-2021 | 23 |
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