'Flags'. In: A.H. McLintock. ed. An Encyclopaedia of New Zealand. Government Printer, Wellington, New Zealand, Vol. 1, 1966, pp. 693-703. See this article on Te Ara.
Flags, Emblems, and Names Protection Act 1981. (New Zealand)
Glue, W.A. The New Zealand Ensign. Government Printer, Wellington, New Zealand, 1965.
McLintock, A.H. Encyclopaedia of New Zealand. Wellington, 1966.
Pearce, N.G. 'The New Zealand national flag: an historical note' in The Flag Bulletin XXIII:4/106. Winchester, Massachusetts, USA, 1984.
Roger, W.G. 'Vexillology in New Zealand', The Collector , Vol. 10, No. 5, 1932, pp. 8-10.
Shipping and Seamen Act, 1952. (New Zealand)
For history of the flag, see also:
Binney, J. Redemption Songs: A Life of Te Kooti Arikirangi Te Turuki, Auckland, 1995
Orange, C. The Treaty of Waitangi. Wellington, 1987
Savill, D. Sail to New Zealand: the Story of Snow Savill and Co 1858-82, London, 1986
Sinclair, K. A Destiny Apart - New Zealand's Search for National Identity, Wellington, 1986.