En ny värld : Amerikanskt Landskapsmaleri 1830-1900 = American landscape of the 19th-century (exhibition Stockholm, Nationalmuseum, 19.09 - 23.11.1986 ; Göteborg, Göteborgs Konstmuseum, 06.12.1986 - 15.02.1987) / - Fredlund, Björn (Nationalmuseum (Stockholm),, 1986)