References
* Lau Islands, Fiji, By Arthur Maurice Hocart, Published 1929, Bernice P. Bishop Museum, Ethnology, 241 pages, Original from the University of Michigan, no.62 1929, Digitized Feb 23, 2007. ''Page 150 has details on titles like Ratu and Roko and their use'' . . Noble titles Titles of national or ethnic leadership Vuanirewa Lau Islands