Various books and catalogues including "The Encyclopaedia of British Empire Postage Stamps" by Robson Lowe comprising Vol. I Europe (2nd Edn.), Vol. II Africa, Vol. III Asia, Vol. IV Australasia, Vol. V North America; "The Postage Stamps of G.B and Ireland" by R. Alcock & F. Holland (1940, 579 pages, hardbound) with Part II and supplements 1-7; "Recovered Mail 1918-78" by H. Nierinck; "GB Used Abroad: Cancellations and Postal Markings" by J. Parmenter; the set of eleven Sotheby's auction catalogues for the Sir Gawaine Baillie collection; "The Postal History of British Guiana" by E. Proud, etc. (c.75).

Various books (18) and journals including "The Postal History of the British Army in World War One" by A. Kennedy and G. Crabb, "British Empire Campaigns and Occupations in the Near East, 1914-24" by J. Firebrace, "The Postage Stamps of the United States" by J. Luff (417 pages + 23 plates), also "Postal History International" volumes 1-7, various issues of "The Postal History Society Bulletin" (156), "British Mailcoach", etc.