Akademie der Künste (Berlin, West) (1954-1993)(1)
American Committee for Refugee Scholars, Writers and Artists [vermutlich](1)
Harcourt Brace Jovanovich (1970-1991)(1)
Helen and Kurt Wolff Books (New York, N. Y.)(1)
New York Times (Zeitung) (1851-)(1)
P.E.N. Club / American Center (New York)(1)