| Author | Titles | | 1.
| Leroi-Gourhan, André, 1911-1986 | 12 | | 2.
| Lerolle, Guillaume | 2 | | 3.
| Leroquais, V., 1875-1948 | 0 | | 4.
| Author is: Leroquais, Victor, 1875-1948 | 6 | | 5.
| Leroquais, Victor, 1875-1948 | 6 | | 6.
| Lerouge, Evelyne | 1 | | 7.
| Leroux, Auguste, 1871-1954 | 2 | | 8.
| Leroux, Gaston, 1868-1927 | 1 | | 9.
| Leroux, Gerard | 1 | | 10.
| Leroux, J. Gabriel | 1 | | 11.
| Leroux, Jean-Pierre | 1 |
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