Schrift und Buch in der Welt von morgen.

"2. Frankfurt am Main, Oehms, 1970, in-8°, stiff paper wrapper. Printed in Zapf's Optima Antiqua; he was also responsible the lay-out. Text of a speech held for the Guitenberg-Gesellschaft at Mainz on 22 June 1970. Kleiner Druck der Gutenberg-Gesellschaft Nr. 91. (Computer and the future of the book)."