| Author | Titles | | 1.
| Constant de Rebecque, Benjamin, 1767-1830 | 4 | | 2.
| Constant de Tours, pseud. | 1 | | 3.
| Constant, G. | 1 | | 4.
| Constant, Padre | 2 | | 5.
| Constant, Pierre | 1 | | 6.
| Constante, Ana | 1 | | 7.
| Constante, Gabriel, 1876-1950 | 2 | | 8.
| Constante, Gabriel Mateus, 1876-1950 | 2 | | 9.
| Constantin, A., Capitão | 1 | | 10.
| Constantin, Julien, 1857-1936 | 1 |
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