Note 20 — LETTER VII.
Reading edition
I have spoken more fully on this subject in my “Chronology of the Egyptians,” vol. i. p. 294. [See also Vyse, Pyramids of Gizeh, vol. iii. pp. 118, 119; Letronne, Inst. de l’Eg. vol. ii. pp. 460-466; and Wilkinson, Modern Eg. and Thebes, vol. i. p. 353.—K. R. H. M. 2nd edit.]