* Account of memorial service, by Jonathan Milne and Amanda Cameron, Herald on Sunday* Personal Reflections Of South Auckland's Statesman, by Scoop's Selwyn Manning* from the "Dictionary of New Zealand Biography"_-
* Amyloidosis Australia, Information on Amyloidosis in Aust/NZ* Account of memorial service, by Jonathan Milne and Amanda Cameron, Herald on Sunday* Lange's biography as Right Livelihood Award recipient (2003)* Personal Reflections Of South Auckland's Statesman, by Scoop's Selwyn Manning