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

[1069] Powers, p. 352.

[1070] Du Pratz, III, 237 ff.

[1071] Dunbar, p. 1.

[1072] [Above, p. 104].

[1073] Alberti, p. 68.

[1074] Claus, p. 38.

[1075] [Above, p. 93].

[1076] Chervin, p. 229.

[1077] Roscoe, Baganda, p. 42.

[1078] Kötz, p. 21.