Richardson (James), Narrative of a Mission to Central Africa performed in the Years 1850–51. 2 vols. London, 1853.

Richardson (John), Arctic Searching Expedition. 2 vols. London, 1851.

Richmond (Legh), ‘A Sermon on the Sin of Cruelty to the Brute Creation’; in The Methodist Magazine, vol. xxx. London, 1807.

Richter (W.), Die Sklaverei im Griechischen Altertume. Breslau, 1886.

Rickaby (J.), Moral Philosophy. London, 1892.

Ridley (William), The Aborigines of Australia. Sydney, 1864.

—— Kámilarói, and other Australian Languages. N. S. Wales, 1875.

—— Kamilaroi, Dippil, and Turrubul. N. S. Wales, 1866.

Riedel (J. G. F.), De sluik- en kroesharige rassen tusschen Selebes en Papua. ‘s-Gravenhage, 1886.

Rigveda (Der). Trans. into German by A. Ludwig. 6 vols. Prag, 1876–88.