Innledning
(1965)
Introduccíon
(1965)
Einleitung
(1965)
Postfácio,
(1961)
L’utopia negative di Orwell
(1961)
(Foreword, Arabic)
(1960)
Psychoanalis i Dsen-Buddism
(1960)
Prefacio
(1960)
Premessa
(1960)
Predmluva
(1960)
(Foreword, Chinese)
(1960)
Przdemova
(1960)
Przdemova
(1960)
Prefacio
(1960)
Foreword
(1960)
Elösó
(1960)