Kim Steven Bardrum Ryholt, The Political Situation in Egypt during the Second Intermediate Period, c.1800–1550 BC, Carsten Niebuhr Institute Publications, vol. 20. Copenhagen: Museum Tusculanum Press, 1997, excerpts available online here.
metmuseum.org
William Christopher Hayes, The Scepter of Egypt: A Background for the Study of the Egyptian Antiquities in The Metropolitan Museum of Art. Vol. 1, From the Earliest Times to the End of the Middle Kingdom, MET Publications 1978, available online, p. 342, 344 et p. 349, 350.
Dieter Arnold with contributions by Dorothea Arnold and an appendix by Peter F. Dorman, The Pyramid of Senwosret I, MET Publications 1988, available online, p. 37-40 & p. 147-149.
