| Author | Titles | | 1.
| Longo, Paulo | 3 | | 2.
| Longo, Robert, 1953- | 2 | | 3.
| Longo, Tommaso Guira | 1 | | 4.
| Longon, Jean | 1 | | 5.
| Longoni, Ana | 1 | | 6.
| Longos, | 0 | | 7.
| Author is: Longus, | 6 | | 8.
| Longpré, Ephrem, Padre | 1 | | 9.
| Longrigg, Stephen Hemsley | 1 | | 10.
| Longstaffe-Gowan, Todd | 1 | | 11.
| Longstaffe-Gowan, Todd, 1960- | 1 |
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