Albert Einstein and his correspondents
Karl Kautsky
Minna Cauer
Eduard Bernstein
Walter von Molo
Karl Korsch
J.B.Th. Hugenholtz
World Congress Imperialist War
Gustav Mayer
Rudolf Rocker
Verlag Allert de Lange
Carl von Ossietzky
Carl Herz
Friedrich Adler
Harold Joseph Laski