| Author | Titles | 1.
| Longari, Elisabetta | 5 | 2.
| Longato, Lieselotte | 1 | 3.
| Longatti, Alberto | 1 | 4.
| Longatti, Mario | 1 | 5.
| Longfellow, Henry Wadsworth | 3 | 6.
| Longford, Elisabeth | 1 | 7.
| Longford, Elizabeth | 1 | 8.
| Longhauser, Elsa | 1 | 9.
| Longhauser, Elsa Weiner | 0 | 10.
| Author is: Longhauser, Elsa | 1 | 11.
| Longhetto, Egidio | 1 |
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