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

[539] Mathias G., pp. 209 f.

[540] Wegener, p. 148.

[541] Brandeis, p. 78.

[542] Forster, p. 442.

[543] Fornander, I, 127, note 1.

[544] Dibble, p. 107.

[545] Taylor, p. 363.

[546] Pp. [211 f].

[547] Christians, pp. 388 ff.

[548] Hale, p. 68.