Colonel Denys Richard Martin (11 October 1892 – 1970) ranks among the most distinguished philatelists of the Twentieth century. As a systematic scholar and prolific writer, Martin illuminated some of the most difficult topics and set a high standard for the study of the postage stamps and postal history of India and Burma.
Five appendices in L. E. Dawson, The One Anna and Two Annas Postage Stamps of India, 1854-55. Philatelic Society of India, H. Garratt-Adams & Co. and Stanley Gibbons, Ltd., London (1948): Die I, A Stone, No. 7 - p. 66; Die I, B Stone, Nos. 2, 28 and 64 - p. 67; India, 1854. Pin Perforated - p. 73; One Anna, 1854, Numbers Printed - p. 75; and The Two Annas, 1854, Some Problems - p. 81..
Pakistan Overprints on Indian Stamps, 1948-49, London: Robson Lowe, 1959.
The Second Afghan War. 1961.
The Bombay-Karachi Sea Post Office. 1963. (With G.C. Danby)
Indian Travelling Post Offices 1864-1891. London: Robson Lowe, 1969. First printed in The Philatelist.
Numbers in Early Indian Cancellations, London: Robson Lowe, 1970.
Burma Postal History, Including the 1987 Supplement. London: Robson Lowe, 1971. (With Gerald Davis.)
Overseas Letter Postage from India 1854-1876. 1975. (editor with Neil Blair)