The Great Daylight Saving Time Controversy is the encyclopedia or bible of DST. It includes the origins of daylight saving time and the history of the scheme in every country that has ever used it, plus each state of the United States, Australia and Brazil and each Canadian province. Read about the battles between supporters and opponents, the efforts of daylight saving time champions, the chaotic situations that emerged particularly in the US and Canada, and all the pros and cons of the measure.
Here’s where to obtain a copy of the book:
NZ: as per US
Australia: https://books.google.com.au/books?id=kpmbDgAAQBAJ&dq and click on Angus & Robertson
Or check out these articles: