"New Zealand, Civil Records Indexes, 1800-1966," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:Q24J-26WP : 27 November 2017), John Curtis Bolton, 1861; citing Birth, New Zealand, registration number 1861/9483, Archives of New Zealand, Wellington.
"New Zealand, Civil Records Indexes, 1800-1966," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:Q24K-W1JY : 4 October 2016), John Curtis Bolton and Ann Power, 1887; citing Marriage, New Zealand, registration number 1887/3148, Archives of New Zealand, Wellington
"New Zealand, Civil Records Indexes, 1800-1966," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:QG6J-R75J : 4 January 2018), John Curtis Bolton, 1951; citing Death, New Zealand, registration number 1951/22979, Archives of New Zealand, Wellington.
"New Zealand, Cemetery Transcriptions, 1840-1981," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:QGLJ-S85Q : 28 June 2018), John Curtis Bolton, 12 May 1951; citing Death, New Zealand, New Zealand Society of Genealogists, Auckland.
Find A Grave, database and images (https://www.findagrave.com : accessed 27 September 2018), memorial page for John Curtis Bolton (unknown–12 May 1951), Find A Grave Memorial no. 178859037, citing Wakapuaka Cemetery, Nelson, Nelson City, Nelson, New Zealand ; Maintained by cloud95 (contributor 47437449) .