7 5 4 D O C . 5 3 8 A P P E A L F O R C O N S O R T I U M F O R P E A C E 538. Appeal for an Interdenominational Working Group for Peace “Ein deutsches Friedenskartell der Konfessionen” [Einstein et al. 1929c] Published 31 May 1929 In: Allgemeine Zeitung am Abend, 31 May 1929, p. 278.