| Author | Titles | | 1.
| Ivo, 1959- | 12 | | 2.
| Ivo Cruz, 1901-1985 | 0 | | 3.
| Author is: Cruz, Ivo, 1901-1985 | 6 | | 4.
| Ivo Cruz, Duarte, 1941- | 0 | | 5.
| Author is: Cruz, Duarte Ivo, 1941- | 20 | | 6.
| Ivo Cruz, Mafalda, 1956- | 0 | | 7.
| Author is: Cruz, Mafalda Ivo, 1956- | 2 | | 8.
| Ivo Cruz, Manuel, 1935-2010 | 0 | | 9.
| Author is: Cruz, Manuel Ivo, 1935-2010 | 5 | | 10.
| Ivo, Denise | 1 | | 11.
| Ivo, Gonçalo, 1958- | 3 | | 12.
| Ivo, Gonçalo, 1958-040 | 1 | | 13.
| Ivo, Júlio | 3 | | 14.
| Ivo, Ledo, 1924-2012 | 1 |
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