"And it is thought that there is a special significance in the number twelve. It was typified, we know, by many things in the Old Testament; by the twelve sons of Jacob, by the twelve princes of the children of Israel, by the twelve fountains in Elim, by the twelve stones in Aaron's breast-plate, by the twelve loaves of the shew-bread, by the twelve spies sent by Moses, by the twelve stones of which the altar was made, by the twelve stones taken out of Jordan, by the twelve oxen which bare"
P. Young, Daily readings for a year (1863), p. 150.
Collins 2002, p. 228. Collins, Billie Jean (2002), "Necromancy, Fertility and the Dark Earth: The Use of Ritual Pits in Hittite Cult", in Mirecki, Paul; Meyer, Marvin (eds.), Magic and Ritual in the Ancient World, Leiden, The Netherlands: Brill, pp. 224–233, ISBN90-04-10406-2
Gordon, E. V. (1957). Introduction to Old Norse. Oxford, England: Clarendon Press. pp. 292–293. Archived from the original on 2016-04-15. Retrieved 2017-09-08.
Gordon, E. V. (1957). Introduction to Old Norse. Oxford, England: Clarendon Press. pp. 292–293. Archived from the original on 2016-04-15. Retrieved 2017-09-08.
