1. Robson B Harris R Hauora: Maori Standards of Health A study of the years 2000-2005 Te Rōpū Rangahau Hauora a Eru Pōmar
2. Statistics NZ QuickStats about maori 2007 http://www.stats.govt.nz/census/2006censushomepage/quickstats/quickstats-about-a-subject/maori.aspx