| Autor | Títulos | | 1.
| Ley, Charles David | 17 | | 2.
| Ley, Robert, 1890-1945 | 1 | | 3.
| Ley, Sabrina van der, 1967- | 0 | | 4.
| Ver: Van der Ley, Sabrina, 1967- | 5 | | 5.
| Leyda, Jay | 3 | | 6.
| Leyden, Ernst | 1 | | 7.
| Leyden, Ernst 1892-1969 | 1 | | 8.
| Leyden, Gabrielle | 1 | | 9.
| Leyden, Karin | 1 | | 10.
| Leyden, Karin, 1906-1977 | 1 | | 11.
| Leyden, Lucas van | 1 |
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