| Author | Titles | | 1.
| Loyola, J. I. | 1 | | 2.
| Loyrette, Henri, 1952- | 20 | | 3.
| Loyson, Paul Hyacinthe, 1873-1921 | 1 | | 4.
| Loza, Rui Ramos, 1949- | 3 | | 5.
| Lozano, Amparo | 2 | | 6.
| Lozano Bartolozzi, María del Mar | 1 | | 7.
| Lozano, Bonifácio Lázaro, 1906-1999 | 15 | | 8.
| Lozano, Catalina | 1 | | 9.
| Lozano, Christobal | 1 | | 10.
| Lozano, Eloy | 1 |
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