Athribis Pyramid

See:

1. Andrzej Ćwiek. "Date and Function of the so-called Minor Step Pyramids." Göttinger Miszellen Vol. 162, Göttingen 1998, pp. 41 f.
2. Alan Rowe. "Short Report on Excavations of the Institute of Archaeology, Liverpool, at Athribis (Tell Atrib)." Annales du Service des Antiquités Vol. 38 (1938), p. 524.