The Number Concept: Its Origin and Development

by Levi L. Conant

[¹⁰⁸]Sayce, A. H., Comparative Philology, p. 254.

[¹⁰⁹]Tr. Eth. Society of London , Vol. III. p. 291.

[¹¹⁰]Ray, S. H., Journ. Anthr. Inst., 1889, p. 501.

[¹¹¹]Stanley, In Darkest Africa, Vol. II. p. 492.

[¹¹²]Op. cit., loc. cit.

[¹¹³]Tylor, Primitive Culture, Vol. I. p. 249.

[¹¹⁴]Müller, Sprachwissenschaft, IV. i. p. 36.

[¹¹⁵]Martius, Glos. Ling. Brasil., p. 271.

[¹¹⁶]Tylor, Primitive Culture, Vol. I. p. 248.

[¹¹⁷]Roth, H. Ling, Aborigines of Tasmania, p. 146.