↑Boulenger GA. 1896. Catalogue of the Snakes in the British Museum (Natural History). Volume III., Containing the Colubridæ (Opisthoglyphæ and Proteroglyphæ) ... London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiv + 727 pp. + Plates I-XXV. (Genus Gerardia [sic], p. 20; species G. prevostiana, pp. 20-21).
↑Boulenger GA. 1890. The Fauna of British India, Including Ceylon and Burma. Reptilia and Batrachia. London: Secretary of State for India in Council. (Taylor & Francis, printers). xviii + 541 pp. (Gerardia [sic] prevostiana, p. 379).
Das I. 2002. A Photographic Guide to the Snakes and Other Reptiles of India. Sanibel Island, Florida: Ralph Curtis Books. 144 pp. ISBN 0-88359-056-5. (Gerardia [sic] prevostiana, p.35).
Gray JE. 1849. Catalogue of the Specimens of Snakes in the British Museum. London: Trustees of the British Museum. (Edward Newman, printer). xv + 125 pp. (Gerarda, new genus, p.77).
Smith MA. 1943. The Fauna of British India, Ceylon and Burma, Including the Whole of the Indo-Chinese Sub-region. Reptilia and Amphibia, Vol. III.—Serpentes. London: Secretary of State for India. (Taylor and Francis, printers). xii + 583 pp. (Gerardia [sic] prevostiana, pp.394–396 + Figures 125-126).
Wall F. 1921. Ophidia Taprobanica or the Snakes of Ceylon. Colombo, Ceylon =Sri Lanka: Colombo Museum. (H.R. Cottle, Government Printer). xxii + 581 pp. (Gerardia [sic] prevostiana, pp.262–265, Figure 53).
