Many variant titles:
The Chronicler (1946) - A. E. van Vogt
L'occhio dell'infinito [Italian] (1952) - A. E. van Vogt
Der Mann mit dem dritten Auge [German] (1962) - A. E. van Vogt
Asediante invisible [Spanish] (1963) - A. E. van Vogt
L'assaut de l'invisible [French] (1963) - A. E. van Vogt
A l'assaut de l'invisible [French] (1977) - A. E. van Vogt
L'assedio degli invisibili

- A. E. van Vogt
The Three Eyes of Evil (and Earth's Last Fortress), ISBN 0283979836 (1973) and

- A. E. van Vogt
De meesterbreinen [Dutch], ISBN 906221181X (1975)

are a collection of both 'Earth's Last Fortress' and 'The Three Eyes of Evil' brought out together, see there ('Earth's Last Fortress and The Three Eyes of Evil').