Williams and Calvert, Fiji and the Fijians, pp. 144-146. New York, 1859.
Ratzel, History of Mankind, Vol. I, p. 330. London, 1896-1898.
William Mariner, Natives of the Tonga Islands, Vol. II, pp. 95, 134-135. Edinburgh, 1827. Capt. Cook's Journal, First Voyage Round the World in the Endeavor, 1768-1771, pp. 220-221. Edited by W.J.L. Wharton. London, 1893.
Strabo, Book X, chap. V, 6.
R.L. Stevenson, The South Seas, pp. 98-104. New York, 1903.
Ratzel, History of Mankind, Vol. I, pp. 297-299. London, 1896-1898.
William Mariner, Natives of the Tonga Islands, Vol. II, pp. 108-109. Edinburgh, 1827.
Darwin and Fitzroy, Voyage of the Beagle, Vol. II, pp. 183, 189-190. London, 1839.