- Geraldine Pinch, Egyptian Myth: A Very Short Introduction (Oxford: Oxford University Press, 2004), 174.
- Ian Shaw & Paul T. Shaw, The British Museum Dictionary of Ancient Egypt (Cairo: The American University in Cairo Press, 1997), 207.
- George Hart, The Routledge Dictionary of Egyptian Gods and Goddesses (London: Routledge, 2005), 110.
- Geraldine Pinch, Handbook of Egyptian Mythology (Santa Barbara: ABC-CLIO, 2002), 174.
- Ian Shaw & Paul T. Shaw, The British Museum Dictionary of Ancient Egypt (Cairo: The American University in Cairo Press, 1997), 42.
- Donald B. Redford, The Oxford Encyclopedia of Ancient Egypt, Vol 2 (Oxford: Oxford University Press, 2001) 145-6.
- Geraldine Pinch, Handbook of Egyptian Mythology (Santa Barbara: ABC-CLIO, 2002),174.
- Donald B. Redford, The Oxford Encyclopedia of Ancient Egypt, Vol 2 (Oxford: Oxford University Press, 2001), 146.
- Joseph Campbell, The Masks of God Vol. 4. (New York: Penguin Books, 1991), 272-3.
- Arthur Schopenhauer, The World as Will and Representation, Vol 1 (New York: Dover Publications, 1969), §29.