| Author | Titles | 1.
| Lepper, Katharina | 2 | 2.
| Lepper, Markus | 2 | 3.
| Leppert, Frank | 1 | 4.
| Leppert, Richard | 1 | 5.
| Leppien, Helmut Rudolf, 1933-2007 | 3 | 6.
| Leppien, Jean, 1927-1991 | 1 | 7.
| Lepple, Georg | 2 | 8.
| Leprevost, Claudine | 1 | 9.
| Leprieur, Paul | 1 | 10.
| Leprince, A. | 1 |
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