Graphis Annual : International Yearbook of Advertising Art. Internationales Jahrbuch der Werbekunst. Art publicitaire internationalR. 1961/62 Nr.103 1961/62. R. 1961/62, Nr.103, 1961/62. Zurich : Amsutz & Herdeg, 1961. 229 s.[1, currently available 1]