Edward Balfour, Cholera: are there towns or villages in India where cholera has never appeared from the period of its out-break in 1817, being a series of letters...to the Superintending Surgeon, Presidency Division of the Madras Army (Madras, 1852)
Howard B Mont Gomery, Report on the sanitary condition of Honaves, with reference to the non-appearance of cholera in an epidemic form (Madras: Church of Scotland Mission Press, 1856)