[942] Kubary, Nukuoro, 35.
[943] Codrington, Melanesians, 229.
[944] JAI, XXVIII, 11.
[945] JAI, XVII, 93.
[946] Austr. Assoc. Adv. Sci., 1892, 621.
[947] Waitz, Anthrop., V, 139.
[948] Ratzel, Völkerkunde, II, 126.
[949] Waitz, Anthrop., II, 441.
[950] Smithson. Rep., 1871, 407; quoted, Bur. Eth., I, 99.
[951] Ratzel, II, 769; Bur. Eth., XVIII, 289.