| Colecciones Españolas | Colecciones USA | Personajes | Autores | Comics Españoles | Comics USA | Sagas |
| Apariciones de Changeling (Kevin Sidney): 13 |
| Título Colección | Número | Variante | Mes | Año |
|---|---|---|---|---|
| Uncanny X-Men, Vol. 1 | 35 | AGO | 1967 | |
| Uncanny X-Men, Vol. 1 | 36 | SEP | 1967 | |
| Uncanny X-Men, Vol. 1 | 37 | OCT | 1967 | |
| Uncanny X-Men, Vol. 1 | 39 | DIC | 1967 | |
| Uncanny X-Men, Vol. 1 | 40 | ENE | 1968 | |
| Uncanny X-Men, Vol. 1 | 83 | AGO | 1973 | |
| Uncanny X-Men, Vol. 1 | 84 | OCT | 1973 | |
| Uncanny X-Men, Vol. 1 | 85 | DIC | 1973 | |
| Uncanny X-Men, Vol. 1 | 87 | ABR | 1974 | |
| Uncanny X-Men, Vol. 1 | 88 | JUN | 1974 | |
| Uncanny X-Men, Vol. 1 | 89 | AGO | 1974 | |
| Uncanny X-Men, Vol. 1 | 90 | OCT | 1974 | |
| Official Handbook of the Marvel Universe | 13 | FEB | 1984 |