K.S.B. 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.
Kenneth Kitchen: The Basics of Egyptian Chronology in Relation to the Bronze Age at the "High, Middle or Low", University of Göteborg conference, 1987, JSTOR505957
