DescriptionLa2-bergs.jpg English: Bergs slussar, Berg, near Linköping, Sweden. Date June 2001 Source Own work Author This photo (C) Lars Aronsson Permission
1845 23.jpg Page 23, volume 1 of Svenskt konversationslexikon (4 volumes, 1845-1852), a Swedish encyclopedia. Date 1845 Source My own photo (LA2, no copyright
titelsida.jpg Title page of Svenskt konversationslexikon (4 volumes, 1845-1852), a Swedish encyclopedia. Date 1845 Source My own photo (LA2, no copyright