[520] Hall (1913) 15–30.

[521] Petrie (1906) ch. xii.

[522] Meyer (1904).

[523] Breasted (1912).

[524] Hall (1913) 25.

[525] Bachofen (1897).

[526] M’Lennan (1886) 195–246.

[527] Hartland (1921) 122–124.

[528] Rose (1911).

[529] Rose (1911) 279.