1. Annual Report , 1927a. Minister of Public Works, AHJR 1927 Section D-1, xxvii.
2. Annual Report, 1927b. Minister of Public Works, AJHR, 1927, Section D-1, 90, p. 121.
3. Annual Report, 1940. Minister of Electricity. AJHR, 1940, Section D-1, p. xi.
4. Annual Report, 1947. Minister of Electricity, AJHR, 1947, Section D-4, p. 2.
5. Browne, P.R.L., 2004. Personal communication, 14 June 2004.