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

[599] R. T. Str., pp. 218 ff.

[600] Landtman, pp. 482 ff.

[601] Codrington, p. 348.

[602] Brown, p. 332.

[603] Parkinson, pp. 377 ff.

[604] Wheeler, p. 37.

[605] Guppy, quoted by Frazer, p. 313.

[606] Thurnwald, pp. 340 ff.

[607] Codrington, p. 348.

[608] Christians, pp. 388 ff.