L’utopia negative di Orwell
(1961)
Postfácio,
(1961)
et al.: Introduction
(1961)
Das Menschenbild bei Marx
(1961)
Is World Peace Still Possible? Inquiry into the Facts and Fictions of Foreign Policy, New York 1962.
(1961)
Ningen no shouri o motomate, Gaikouseisaku ni okeru kyokou to genjitsu, Tokyo (Iwanamishoten) 1963.
(1961)
L’uomo secondo Marx
(1961)