Roonwal, M.L. 1962. The Late Lieut. Col. R. B. S. Sewell (1880-1964): An Appreciation, with a Complete List of his Scientific Writings. Records of the Zoological Survey of India. 60, 3-4 (Dec. 1962), 327–336. DOI:https://doi.org/10.26515/rzsi/v60/i3-4/1962/161612.