| Author | Titles | | 1.
| Jacob, Adolphe | 1 | | 2.
| Jacob, Alain | 2 | | 3.
| Jacob, André | 1 | | 4.
| Jacob, bibliophile, 1806-1884 | 0 | | 5.
| Author is: Lacroix, Paul, 1806-1884 | 7 | | 6.
| Jacob, Christian | 2 | | 7.
| Jacob, Émile | 1 | | 8.
| Jacob, François, 1920-2013 | 2 | | 9.
| Jacob, Friedrich | 2 | | 10.
| Jacob, Jean-Paul | 1 | | 11.
| Jacob, João Manuel Neto | 3 |
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