Beryl Smalley, The Study of the Bible in the Middle Ages (Notre Dame University, 1978), p. 86.
Robert J. Clements, Michelangelo’s Theory of Art (New York: Gramercy, 1961), pp, 80–81.
Leonardo da Vinci, Treatise on Painting (Princeton: Princeton University Press, 1956), Vol. 1, p. 30.
Eric Auerbach, Mimesis (Princeton: Princeton University Press), p. 11.
William Purcell, Behold My Glory (New York: Hawthorn Books, 1947) p. 11.
Gerhard von Rad, Genesis (London: SCM Press, 1972), pp. 234–235.
John Skinner, Critical and Exegetical Commentary on Genesis (Edinburgh: T & T Clark, 1969), p. 285. In early Mesopotamian and Egyptian law, wives had slaves who were their own property; the slave could not be the husband’s concubine without the mistress’s permission.
Skinner, Critical and Exegetical, p. 286. When Hagar was pregnant with Abram’s child she no longer was under Sarai’s complete control, but, nevertheless, Abram puts Hagar back in her mistress’s hands.