| Author | Titles | | 1.
| Lepore, Mario | 3 | | 2.
| Lepp, Ignace, 1909-1966 | 2 | | 3.
| Lepper, Katharina | 2 | | 4.
| Lepper, Markus | 2 | | 5.
| Leppert, Frank | 1 | | 6.
| Leppert, Richard | 1 | | 7.
| Leppien, Helmut Rudolf, 1933-2007 | 3 | | 8.
| Leppien, Jean, 1927-1991 | 1 | | 9.
| Lepple, Georg | 2 | | 10.
| Leprevost, Claudine | 1 |
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