Radiguet, M., Les derniers sauvages. Souvenirs de l’occupation française aux îles marquises. 1842–1859.

Radloff, W., Aus Sibirien. 1884.

—— Beobachtungen über die Kirgisen. Pet. 1864.

Ratzel, Völkerkunde.

—— Anthropogeographie. II, 1891.

Ray, Report on the Intern. Polar Expedition to Point-Barrow. 1885.

Reclus, E., Voyage à la Sierra Nevada de Sainte Marthe. 1881.

Reed, W. A., [Negritos of Zambales]. Department of the Interior. Ethnological Survey Publications. Vol. II Part I (1904).

Remy, J., Ka Mooalelo Hawaii. Histoire de l’archipel Hawaien. 1862.

Reports of Explorations and Surveys for a railroad route from the Mississippi River to the Pacific Ocean.