To see Pearse's patent specifications, use the search at IPONZ (Intellectual Property Office of New Zealand web site) and enter his patent numbers, 14507 or 21476
jstor.org
Pearse, R W (4 September 1909). "The Handy Man's Spark Plug". Scientific American. Vol. 101, no. 10. p. 164. JSTOR26007500.
MOTAT · Museum of Transport and Technology (nd), Fact Sheet Richard Pearse(PDF), Auckland: MOTAT, archived from the original(PDF) on 22 May 2010, retrieved 25 June 2010
Ogilvie, Gordon (1996). "Story: Pearse, Richard William". Te Ara — the Encyclopedia of New Zealand. Dictionary of New Zealand Biography. Retrieved 16 February 2019.
Foster, Bernard John (1966). "Pearse, Richard William". An Encyclopaedia of New Zealand. Retrieved 16 February 2019.
timaru.govt.nz
timaru.govt.nz
"Cemetery Search". Timaru District Council. 2013. Retrieved 26 April 2020.
MOTAT · Museum of Transport and Technology (nd), Fact Sheet Richard Pearse(PDF), Auckland: MOTAT, archived from the original(PDF) on 22 May 2010, retrieved 25 June 2010