Grapes, Rodney, and Gaye Downes. “The 1855 Wairarapa, New Zealand, Earthquake: Analysis of Historical Data”. Bulletin of the New Zealand Society for Earthquake Engineering 30, no. 4 (December 31, 1997): 271–368. Accessed October 30, 2025. https://www.bulletin.nzsee.org.nz/index.php/bnzsee/article/view/558.