Hamilton, Douglas, Report on the Pulni Mountains to accompany the series of sketches. Madras: Gazette Press, 1862; Report on the Pulni Mountains to accompany the series of sketches. Madras: United Scottish Press, 1864.
Benson, C, An account of the Kurnool District based on an analysis of statistical information relating thereto, and on personal observation. Madras, 1889