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https://christchurchcitylibraries.com/Heritage/Digitised/ParkerHulme/Page2.asp
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https://www.nzherald.co.nz/nz/the-parker-hulme-murder-why-it-still-matters-to-us/ZS2BWIXVJLJTMI3JVGN4ATKY7Q/
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https://christchurchcitylibraries.com/Heritage/Digitised/ParkerHulme/index.asp
https://www.flickr.com/photos/29018755@N04/sets/72157622146971428/