G. C. Boase, Megan A. Stephan, "Hazlewood, Colin Henry (1823–1875)", rev. Megan A. Stephan, (quoting The Britannia diaries, 1863–1875: selections from the diaries of Frederick C. Wilton, ed. J. Davis (1992)) Oxford Dictionary of National Biography, (accessed 3 December 2011)
G. C. Boase, Megan A. Stephan, "Hazlewood, Colin Henry (1823–1875)", rev. Megan A. Stephan, Oxford Dictionary of National Biography, (accessed 3 December 2011)
G. C. Boase, Megan A. Stephan, "Hazlewood, Colin Henry (1823–1875)", rev. Megan A. Stephan, Oxford Dictionary of National Biography, (accessed 3 December 2011)