Article about Maria Krull, November 1966 (Italian)
Solo exhibition Ladispoli, June 1966 (Italian)
rbk at Casal dell’Arte, Ladispoli, August 1966 (2 articles: German, Italian)
Solo exhibition Wuppertal 1967 (3 articles: German)
Prof. Buchrucker’s speech 1967 (available in English, German, Italian and French)
Exhibition “Trofeo d’Arte” Ladispoli, Sepetmber 1969 (4 articles: Italian)