The Nuttall Encyclopedia
A river of Russia, which rises in the E. of the Urals and forms part of the boundary between Europe and Asia, and falls after a course of 870 m. by a number of mouths into the Caspian Sea.
Wood, James, ed. Entry for 'Ural'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/u/ural.html. Frederick Warne & Co Ltd. London. 1900.