Haurongo: Holland, Sidney George
He whakaaturanga anō
Rārangi pukapuka
Gustafson, B. The first 50 years. Auckland, 1986
Obit. Evening Post. 5 Aug. 1961: 18
Wilson, J. O. ‘Holland, Sir Sidney George’. In An encyclopaedia of New Zealand. Ed. A. H. McLintock. Wellington, 1966