[81] (Warren 1921).
[82] Smith, G. Elliot (1919) 143, 150–153.
[83] Smith, G. Elliot (1919) 221–225.
[84] Smith, G. Elliot (1911) 4.
[85] Macalister (1921) 1. 353.
[86] Mosso (1910) 205–209.
[87] Peake & Hooton (1915) 98, 117.
[88] Lubbock (1865) 201, 202.
[89] Breasted (1912) 28.
[90] Newberry (1920).