Keppler, Helmut [1924-?. Germany. Graphic Designer]
Helmut Keppler was born in 1924 and studied lithography at the Akademie der Bild… subscribers only
Bibliography
1. Kürschners graphiker handbuch. Edited by Charlotte Fergg-Frowein Berlin: Walter de Gruyter & Co., 1959 2. Kürschners graphiker handbuch. Edited by Charlotte Fergg-Frowein Berlin: Walter de Gruyter & Co., 2nd edition, 1967