Art in the watermark = Kunst im Wasserzeichen = L'Art du filigrane
By: edited by/herausgegeben von/edite  par Walter Herdeg ; introduction by/Einfu hrung von/introduction de Armin Renker.
Contributors: Herdeg, Walter.
Publisher: Amstutz & Herdeg, Graphis Press
Published: 1952
Place of publication: Zurich
Language: mul
Notes: Text in English, German and French.