.: 2. S.l., Gutenberg-Gesellschaft, 1974, 23 x 14 cm, 39 pp, sewn, orig.wrapper, bibliography. Contains a bibliography from and on the typographer and type designer Zapf.
.: 2. (Mainz), Gutenberg-Gesellschaft, 1974, in-8°, 39 pp, orig.wrapper, bibliographies, (series Kleiner Druck der Gutenberg-Gesellschaft Nr.97).