Exhibition poster "fotografik studio galerie Prof. Pan Walther" in Münster from 8th May, 1976 to 31th August, 1976
Remarks on the Chemograms by Prof. Dr. Hannes Schmidt, Bonn-Bad Godesberg on the occation of the opening of the Exhibition CHEMOGRAMME in the "fotografik-studio-galerie
Prof Pan Walther" in Münster, May, 1976
Münsterländische Volkszeitung , 7th May, 1976, Chemogramme in der "fotografik studio galerie Prof.Pan Walther" in Münster
Westfälische Nachrichten , 8th May, 1976, Chemogramme in der "fotografik studio galerie Prof.Pan Walther" in Münster
Münstersche Zeitung 2nd March, 1977, Exihibition in the central office of the Sparkasse Rheine
Invitation of the Management of the Sparkasse Rheine 1976 on the occasion of the Exhibition CHEMOGRAMME u. FOTO OBJEKTE v. Josef H. Neumann