| Verfasser | Häufigkeit |
| Barros da Silva, Eduardo Antônio |
3 |
| Casson, Mark 1945- |
3 |
| Lopes, Teresa da Silva 1968- |
3 |
| Porter, Lynda |
3 |
| Putnik, Goran 1954- |
3 |
| Silva, Joaquim |
3 |
| Wadeson, Nigel |
3 |
| Bermúdez Lorenzo, Juan Manuel |
2 |
| Buckley, Peter J. 1949- |
2 |
| Cruz-Cunha, Maria Manuela 1964- |
2 |
| Da Silva, Eduardo A. B. 1963- |
2 |
| Da Silva, Paulo 1967- |
2 |
| Diniz, Paulo Sergio Ramirez 1956- |
2 |
| Ferreira, Luis 1967 December 28- |
2 |
| Jørgensen, Bo Nørregaard |
2 |
| Lavelle, Orlagh |
2 |
| Liberal Pagliari, Carla |
2 |
| Lopes, Nuno 1977- |
2 |
| Ma, Zheng |
2 |
| Maciel de Faria, Sérgio Manuel |
2 |