Primitive Time-reckoning / A study in the origins and first development of the art of counting time among the primitive and early culture peoples

by Martin P. Nilsson

[629] Sechefo, 4, p. 931.

[630] [Below, pp. 158 f].

[631] Macdonald, p. 291.

[632] Sechefo, p. 932.

[633] Thomas, Ibo, p. 127.

[634] Schoolcraft, II, 177.

[635] Roscoe, Bantu, p. 140.

[636] Spieth, p. 556.

[637] Stannus, p. 288.

[638] MacCaulay, p. 525.