| Verfasser | Häufigkeit |
| Estevez, Emilio 1962- |
3 |
| García-Estevez, Carolina B. |
3 |
| Azpiroz, Juan Miguel |
2 |
| Estevez, José M. |
2 |
| Medina Estévez, Jorge 1926-2021 |
2 |
| Rovira i Gimeno, Josep M. 1947- |
2 |
| Sheen, Martin 1940- |
2 |
| Adams, Marilyn |
1 |
| Alexander, Jane 1939- |
1 |
| Alexanian, David |
1 |
| Baldwin, Alec 1958- |
1 |
| Bates, Tyler 1965- |
1 |
| Beer, Steve |
1 |
| Bytes, Tyler |
1 |
| Carter, Stephen 1957- |
1 |
| Estevez, Joe 1950- |
1 |
| Estévez Toranzo, Margarita |
1 |
| Guerrero, Salvador |
1 |
| Hitt, Jack |
1 |
| Insausti Ugarriza, Francisco Javier |
1 |