| Author | Titles | | 1.
| De Leonardis, Federico | 1 | | 2.
| De Lepeleire, Damien | 1 | | 3.
| De Letris, Alain | 1 | | 4.
| De Ligny, Padre | 1 | | 5.
| De Lille, Abade 1738-1813 | 0 | | 6.
| Author is: Delille, Jacques, 1738-1813 | 2 | | 7.
| De Lille, Jacques, 1738-1813 | 0 | | 8.
| Author is: Delille, Jacques, 1738-1813 | 2 | | 9.
| De Logu, Giuseppe | 4 | | 10.
| De Long, David Gilson, 1939- | 3 | | 11.
| De Lonti, Daniele | 1 | | 12.
| De Lorichs, Gust. Dan. | 1 |
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