| Anonymous (photography) / Otto Wagner (drawing) Karlsplatz with drawn-in city museum 1909-1910 Gelatin silver print, , pencil, pen, opaque colors 24.3 × 31 cm Private collection LL/99666 Included in the exhibition "An architect as media strategist. Otto Wagner and photography", Photoinstitut Bonartes, 11 May until 3 July, 2020.
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