^Nabil Swelim: Some Problems on the History of the Third Dynasty - Archaeological and Historical Studies; Volume 7. The Archaeological Society of Alexandria, Alexandria 1983, page 27–32, 180 und 219.
^Carl Richard Lepsius: Koenigsbuch der Alten Aegypter. Besser, Mainz 1858, page 18 & Obj. no. 906.
^Míchel Baude: Djéser et la IIIe dynastie: Les Grands pharaons. Pygmalion, Paris 2007, ISBN2-7564-0147-1, page 20.
^Peter Kaplony: Horus Ba?. In: Mitteilungen des Deutschen Archäologischen Institut Kairo. Volume 20. von Zabern, Mainz 1965, page 3 & 4.
^Nabil Swelim: Some Problems on the History of the Third Dynasty - Archaeological and Historical Studies Band 7. The Archaeological Society of Alexandria, Alexandria 1983, page 27–32, 180 & 219.