Friluftsmaleri före friluftsmaleriet : oljestudien i nordiskt landskapsmaleri 1800-1850 = open-air old sketching in Scandinavia 1800-1850 with a survery of the development of the Landscape, oil sketch in Europe, c. 1630-1850 - Gunnarsson, Torten (Bohusläningens AB, 1989)
Summary in English. -- Thesis (doctoral)--Uppsala universitet, 1989.