| Author | Titles | | 1.
| Belo, Rui | 4 | | 2.
| Belo, Rui, 1933-1978 | 24 | | 3.
| Belo, Rui de Moura, 1933-1978 | 0 | | 4.
| Author is: Belo, Rui, 1933-1978 | 24 | | 5.
| Belo, Rui de Moura Ribeiro, 1933-1978 | 0 | | 6.
| Author is: Belo, Rui, 1933-1978 | 24 | | 7.
| Belo, Ruy, 1933-1978 | 0 | | 8.
| Author is: Belo, Rui, 1933-1978 | 24 | | 9.
| Belo, Sara, 1989- | 3 | | 10.
| Belo, Teresa | 1 | | 11.
| Belock, Sandra | 1 | | 12.
| Beloff, Halla | 2 | | 13.
| Belogolovsky, Vladimir | 1 |
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