1. Amherst , W. Thomson , B. 1901 The Discovery of the Solomon Islands by Alvaro de Mendana in 1568.
2. Oceanic Languages Today;Capell;Current Anthropology,1962
3. Don , A. 1927 Peter Milne of Nguna.
4. Edge-partington , J. 18918 An Album of the Weapons, Tools, Ornaments, Articles of Dress of the Natives of the Pacific Islands.