| Author | Titles | 1.
| Leo (Lisboa, Portugal) | 1 | 2.
| Leo & Nardo | 1 | 3.
| Leo, Patric | 3 | 4.
| Leo Samuel Olschki (Florença, Itália) | 3 | 5.
| Leo, Vince | 1 | 6.
| Leobalde García, Mercedes | 9 | 7.
| Leocádio, Paulo | 1 | 8.
| Léon, Achille | 2 | 9.
| León Acosta, J. | 6 | 10.
| Leon, Alan, 1987- | 1 |
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