| Author | Titles | | 1.
| Leonard, Anne-Marie | 1 | | 2.
| Léonard, Émile G. | 1 | | 3.
| Leonard Hill Technical Group | 1 | | 4.
| Léonard, Jean, 1915-1945 | 1 | | 5.
| Leonard, Jennifer | 1 | | 6.
| Leonard, Mark, 1954- | 3 | | 7.
| Leonard, Neil | 2 | | 8.
| Léonard, P. | 1 | | 9.
| Leonard, Robert | 7 | | 10.
| Leonard, Walter | 1 |
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