National Institute for Historical Photography and Norwegian Society for the History of Photography in association with European Society for the History of Photography (ESHPh), Oslo Symposium, 15.-28.08.1994.
Ausstellungskatalog, Salzburg, Galerie der Stadt Salzburg im Mirabellengarten, 07.06.-30.06.1991; Frankfurt am Main, Karmeliterkloster, 21.07.-11.08.1991.