GEOGRAFISKE OPMAALING / KJERULF, Theodor . Udsigt over det sydlige Norges Geologi. Atlas. Christiania, Steensballes Boghandel, 1879. Oblong 4to. With 39 plates and one folding chromolithographed map mounted on linen, inserted at the end (82 × 58 cm). The cover has been replaced with kraft paper bearing a pasted title label. Geological atlas of southern Norway. Official publication providing an overview of the geology of the southern part of Norway (without the accompanying text).