Tolong jelaskan mengenai Bacaan selanjutnya dari Horus Sa

Thomas Schneider: Lexikon der Pharaonen, Albatros, Düsseldorf 2002,

Pierre Lacau & Jean-Philippe Lauer: La Pyramide à Degrés V. – Inscriptions Gravées sur les Vases: Fouilles à Saqqarah, Service des antiquités de l'Égypte, Kairo 1936

Wolfgang Helck: Untersuchungen zur Thinitenzeit. Harrassowitz, Wiesbaden 1987,

Nabil Swelim: Some Problems on the History of the Third Dynasty, Archaeology Society, Alexandria 1983

Ilona Regulski: Second dynasty ink inscriptions from Saqqara paralleled in the Abydos material from the Royal Museums of Art and History in Brussels. In: Stan Hendrickx, R.F. Friedman, Barbara Adams & K. M. Cialowicz: Egypt at its origins. Studies in memory of Barbara Adams. Proceedings of the international Conference „Origin of the State, Predynastic and Early Dynastic Egypt“, Kraków, 28th August – 1st September 2002 (= Orientalia Lovaniensia analecta. Vol. 138). Peeters Publishers, Leuven (NL) 2004, .