| Author | Titles | | 1.
| Bértholo, Augusto, 1910-1974 | 0 | | 2.
| Author is: Bértholo, Augusto, 1910-1974 | 8 | | 3.
| Bértholo, Augusto, 1910-1974 | 8 | | 4.
| Bértholo, Augusto Rodrigues, 1910-1974 | 0 | | 5.
| Author is: Bértholo, Augusto, 1910-1974 | 8 | | 6.
| Bértholo, Joana | 2 | | 7.
| Bertholo, Joaquim, 1920-2007 | 1 | | 8.
| Bertholo, Joaquim Rodrigues, 1920-2007 | 0 | | 9.
| Author is: Bertholo, Joaquim, 1920-2007 | 1 | | 10.
| Bertholo, René, 1935-2005 | 88 | | 11.
| Related author: KWY (Grupo de artistas) | 8 | | 12.
| Bértholo, René, 1935-2005 | 0 | | 13.
| Author is: Bertholo, René, 1935-2005 | 88 | | 14.
| Bertholo, René Augusto da Costa, 1935-2005 | 0 | | 15.
| Author is: Bertholo, René, 1935-2005 | 88 | | 16.
| Bértholo, René Augusto da Costa, 1935-2005 | 0 | | 17.
| Author is: Bertholo, René, 1935-2005 | 88 |
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