| Author | Titles | | 1.
| Felner, Maria de Lourdes | 1 | | 2.
| Felner, Ricardo Dias | 2 | | 3.
| Felner, Rodrigo José de Lima | 4 | | 4.
| Fels, C. | 1 | | 5.
| Fels, Florent | 4 | | 6.
| Felsen, Sidney B. | 1 | | 7.
| Felsenberg, Florent, 1893-19-? | 0 | | 8.
| Author is: Fels, Florent | 4 | | 9.
| Felsing, Ulrike | 1 | | 10.
| Felso, Lierka | 1 | | 11.
| Felten Marcel | 2 |
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