The Nuttall Encyclopedia
Hall of Odin, the heaven of the brave in the Norse mythology, especially such as gave evidence of their valour by dying in battle, the "base and slavish" being sent to the realm of Hela, the Death-Goddess.
Wood, James, ed. Entry for 'Valhalla'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/v/valhalla.html. Frederick Warne & Co Ltd. London. 1900.