"This material has been digitised. Readers should book a reading room terminal to access it."@en . . . "Correspondence regarding Hartmann’s work and his requests to publish some of his pieces in The Wiener Library Bulletin."@en . . . "Correspondence with Hartmann, Heinz E.O."@en . . "WL3000/9/1/565" . . "9 letters"@en . . "Heinz E. O. Hartmann was a leftwing West German journalist and editor."@en . . . .