| Author | Titles | | 1.
| Bertelà, G. Gaeta | 3 | | 2.
| Bertelè, Tommaso | 1 | | 3.
| Bertelli, Carlo, 1930- | 5 | | 4.
| Bertelli, Giorgio | 1 | | 5.
| Bertelli, Guya | 1 | | 6.
| Bertelli, Luigi, 1858-1920 | 0 | | 7.
| Author is: Vamba, pseud. | 1 | | 8.
| Bertelsen, Lisbet Krogslund | 2 | | 9.
| Bertelsen, Tomas | 1 | | 10.
| Bertetto, Paolo | 3 | | 11.
| Berth, Édouard | 2 |
|
|
