Broughton, W.S (22 Juni 2007). "Bracken, Thomas 1843 – 1898". Dictionary of New Zealand Biography. Ministry for Culture and Heritage. Diakses 9 November 2010.
Broughton, W.S (22 Juni 2007). "Bracken, Thomas 1843 – 1898". Dictionary of New Zealand Biography. Ministry for Culture and Heritage. Diakses 9 November 2010.