| Author | Titles | | 1.
| Bertoni, Giulio | 1 | | 2.
| Bertoni, Mario, 1950- | 1 | | 3.
| Bertoni, Wander, 1925- | 2 | | 4.
| Bertossi, Christophe | 1 | | 5.
| Bertozzi, Elena | 1 | | 6.
| Bertra, Marie-Hélène | 1 | | 7.
| Bertram, 1340-1415 | 1 | | 8.
| Bertram, Anthony, 1897-1978 | 5 | | 9.
| Bertram, Ernst | 2 | | 10.
| Bertran, Lluís | 1 |
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