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

[82] Hammar, p. 156.

[83] Gutmann, p. 241.

[84] Weeks, JRAI, 39, p. 417.

[85] Koelle, p. 284.

[86] Westermann, p. 105.

[87] Ellis, Yoruba, p. 150.

[88] Merker, p. 153.

[89] Hollis, Masai, p. 332.

[90] Roscoe, JRAI, 32, p. 71.

[91] Roscoe, Baganda, p. 38.