The Nuttall Encyclopedia
A canton of Switzerland S. and E. of Lucerne, consisting of two parallel valleys 15 m. long running N. and S.; an entirely pastoral country, and exports articles of husbandry.
Wood, James, ed. Entry for 'Unterwalden'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/u/unterwalden.html. Frederick Warne & Co Ltd. London. 1900.