The Dive for Death: An Indian Romance (London: George Allen & Co., 1911)
Early Reminiscences of T. Ramakrishna, by himself, for private circulation (1907)
Life in an Indian Village, introduction by Rt. Hon. Sir M. E. Grant Duff, GCSI (London: T. Fisher Unwin, 1911)
My Visit to the West, introduction by Sir Andrew H. L. Fraser (London: T. Fisher Unwin, 1915)
Padmini: An Indian Romance, introduction by Rt.Hon. James Bryce, DCL (London: S. Sonnerschein, 1903)
Tales of Ind and Other Poems (London: T. Fisher Unwin, 1896)
Caldwell, Robert, A Comparative Grammar of the Dravidian or South-Indian Family of Languages, rev. and ed. by J. L. Wyatt and T. Ramakrishna Pillai, 3rd edn (London: Kegan Paul, Trench, Trübner, 1913)