The Nuttall Encyclopedia
A Scandinavian goddess who kept a box of golden apples which the gods tasted when they wished to renew their youth; she was carried off one day, but being sent for by the gods, came back changed into a falcon.
Wood, James, ed. Entry for 'Iduna'. The Nuttall Encyclopedia. https://www.studylight.org/encyclopedias/eng/nut/i/iduna.html. Frederick Warne & Co Ltd. London. 1900.