W. M. Flinders Petrie, Francis L. Griffith: The royal tombs of the earliest dynasties: 1901. Part 2 (= Memoir of the Egypt Exploration Fund. Band 21, ZDB-ID988141-4). Egypt Exploration Fund u.a., London 1901, S. 39, Tafel XLII (Digitalisierung).
W. M. Flinders Petrie, Francis L. Griffith: The royal tombs of the earliest dynasties: 1901. Part 2 (= Memoir of the Egypt Exploration Fund. Band 21, ZDB-ID988141-4). Egypt Exploration Fund u.a., London 1901, S. 39, Tafel XLII (Digitalisierung).