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

—, Dakota Grammar, etc. Ibid. 9, 1893.

Riste, O., Primstaven. In the periodical ‘Syn og Segn’, Kristiania, 1916.

Rivers, W. H. R., The Todas. London, 1906.

—, The History of Melanesian Society. Cambridge, 1914.

Roscher, W. H., Über Alter, Ursprung, und Bedeutung der hippokratischen Schrift von der Siebenzahl. Abh. der sächsichen Ges. der Wissenschaften, Leipzic, phil.-hist. Kl. XXVIII, 1911, Nr. 5.

Roscoe, J., Further Notes on the Manners and Customs of the Baganda. JRAI 32, 1902, 25 ff.

—, The Baganda. London, 1911.

—, The Northern Bantu. Cambridge, 1915.

Roth, H. Ling, The Aborigines of Tasmania. Halifax, 1899.

Routledge, W. S., and Katherine, With a Prehistoric People (the Akikuyu of British East Africa). London, 1910.