HopperV. F., Medieval Number Symbolism, Its Sources, Meaning and Influence on Thought and Expression, Columbia University Press, New York (1938); O. H. Lehmann, Number-Symbolism as a Vehicle of Religious Experience in the Gospels, Contemporary Rabbinic Literature and the Dead Sea Scrolls, Studia Patristica IV, Akademie-Verlag, Berlin (1961); P. Saint-Yves, Astrologie Populaire, Paris (1937); M. Ghyka, Philosophie et Mysticisme du Nombre, Payot, Paris (1971); M. Leibovici, La Lune en Babylonie, in La Lune – Mythes et Rites, Sources Orientales, Seuil, Paris (1962); E. McCartney, Folklore of Numbers in Pliny's Natural History, Philological Quarterly, Vol. 2, Iowa City, Iowa (1923).
5.
I should like to thank Miss Claire W. Enders for her research on Babylonian history and for her compilation of the French and English language bibliography.
