David O'Connor, « The Locations of Yam and Kush and Their Historical Implications », Journal of the American Research Center in Egypt, 1986, no 23, p. 27–50, JSTOR:40001089.
worldcat.org
Miriam Lichtheim, The Old and Middle Kingdoms, 2006, Berkeley, University of California Press, p. 23, (ISBN9780520248427). (OCLC889165092).