| Author | Titles | | 1.
| Leon Pinelo, Antonio de | 1 | | 2.
| León, Raúl | 1 | | 3.
| León, Ricardo | 6 | | 4.
| León Salmerón, África | 1 | | 5.
| León, Teodoro González de, 1926-2016 | 0 | | 6.
| Author is: González de León, Teodoro, 1926-2016 | 1 | | 7.
| Léon Vela, José | 1 | | 8.
| Leona ( Firma de design ) | 2 | | 9.
| Leonard, Anne-Marie | 1 | | 10.
| Léonard, Émile G. | 1 | | 11.
| Leonard Hill Technical Group | 1 |
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