| TRAPNELL (D) | Aspects of Palestinian Postal History 1914-1979 [2021] | Military |
| TRAPNELL (D) | Who goes there? The postal history of British Prisoner of War Camps in the Middle East in World War II [2017] | Military, POW |
| TRAPNELL (D) | The Postal History of Prisoner of War Camps in India in WW2 and Indian Prisoners of War Overseas [2016] | Military, POW |
| TRAPNELL (D) | The Postal History of the two-phased Italian Occupation of south-east France 1940-1943 | Military, WW2 |
| TRAPNELL (D) | The Postal History of French Forces in Tunisia 1900-1920 & the South Tunisian Campaign 1915-1917 [2013] | Military |
| TRAPNELL (D) | The Postal History of the French in Italy 1915-1919 with particular reference to The French Military Mission [2012] | France, Military, WW1 |
| TRAPNELL (D) | Some Aspects of German Forces Feldpost in World War 1 [2009] | Military |
| TRAPNELL (David) | Adhesive wafer seals: a transient Victorian phenomenon [1996] | N/A |
| TRINDER (Ivan) | The Harwich packets 1635-1834 [1998] | Maritime |
| TRINDER (J F) | The postal history of the Tendring Hundred of Essex [1971] | N/A |
| TRING (HT) | The surcharging of Rhodesia’s mail [1978] | N/A |
| TRISTANT (Henri) | Les premiers paquebots a vapeur transatlantiques 1840-1868 [1984] | Maritime |
| TRISTANT (Henri) | Les premiers paquebots francais de la ligne de New-York 1783-1793 [1985] | Maritime |
| TRISTANT (Henri) | Les lignes regulieres de paquebots-poste du Levant et d’egypte 1837-1851 [1987] | Maritime |
| TRISTANT (Henri) | Franco-Maltese postal relations from the origins to 1870 [1983] | N/A |
| TRISTANT (Henri) | La desserte des colonies francaises par les paquebots reguliers britanniques, et les taxes appliquees sur les correspondances non affranchies en provenance de colonies de 1849 a 1863 [1991] | Colonies, France, Maritime |
| TROGEL (Gerhard) | Poststempelkatalog Antarktis [1982] | N/A |
| TROLLOPE (Anthony) | An autobiography, edited by Michael Sadleir & Frederick Page…[1992] | N/A |
| TRORY (Ernest) | A postal history of Brighton 1673-1783 [1953] with supplement to 1784 [1954] | N/A |
| TROUT (A E) | The Bradford mail during 300 years [1936] | N/A |
| TROYNAM (CD) | The Postal history and Postmarks of British Central Africa & Nyasaland Protectorate | N/A |
| TSUCHIYA (M) | Postal Stationery in Southeast Asia under Japanese Occupation [2013] | Military |
| TSUCHIYA (M) | Japanese Occupation Stamps in Southeast Asia [2012] | Military |
| TSUCHIYA (Masayoshi) | A complete overview of Japanese occupation stamps in Southeast Asia, 3 vol [1999] | Maritime |
| TURNBULL (James W) | The postal history & postal markings of Thursday Island [1990] | N/A |
| TURNER (D D) | Ocean Penny Postage – Ocean & Imperial Penny Postage 1840-1918; Elihu Burritt to Sir John Henniker Heaton: a Maritime Social Philately Case Study [2014] | Maritime |
| TURQUIE: ADMIN. | Guide Postal 1914 (facsimile reprint) | N/A |
| TUTE (Warren) | Atlantic conquest: the ships and the men of the North Atlantic passenger services 1816-1961 [1962] | Maritime |
| UNION POSTALE UNIVERSELLE | L’Union Postale Universelle, sa fondation et son developpement 1874-1949 | N/A |
| UNION POSTALE UNIVERSELLE | Nomenclature internationale des bureaux de poste 4 vols [1968] | N/A |
| UNION POSTALE UNIVERSELLE | Les actes de l’Union postale universelle 3 vols [1939-40] | N/A |
| UNITED STATES P O | A wartime history of the Post Office Department: 1939-45 [reprint] | Military |
| UNITED STATES P O | U P U mial: an annual table of exchange rates and of postage rates to the U S 1881-1953 [1953 reprint] | N/A |
| UNITED STATES P O | United States Official Postal Guide 1937 | N/A |
| UNITED STATES P O | United States domestic postage rates 1789 to 1956 (reprint) | N/A |
| UNITED STATES P O | International air mails: as reflected in the US Postal Guides & Supplements 1921-1946 [1953] | Aviation |
| UNITED STATES POST OFFICE | Report of the Postmaster General for 1841-6, 1853-73 [reproduced 1976-79] | N/A |
| UNITED STATES POSTAL GUIDE | Vol 1 1850-51: Vol 2 1851-52 [reprints 1982] | N/A |
| USA: POST OFFICE | The postal laws and regulations, published by authority of the Postmaster General 1866, 1879, 1932. | N/A |
| USA: POST OFFICE | Postage rates 1789-1930 (& Pt 2: 1930-1944]: abstract of laws passed between 1789-1930 | N/A |
| USA: POST OFFICE | List of post offices in the United States with the names of postmasters on the 13th of July, 1857: also the regulations and laws of the Post Office Department [1980 reprint] | N/A |
| USA: POST OFFICE | Laws and regulations for the governmnt of the Post Office Department with an appendix | N/A |
| USA: POST OFFICE | Laws instructions and regulations for the government of the Post Office Department 1847, 1852 [1980 reprint] | N/A |
| USA: POST OFFICE | Laws instructions and forms for the regulation of the Post Office Department 1832 [1980 reprint] | N/A |
| USA: POST OFFICE | Cost ascertainment report showing the cost of carrying…classes of mail matter…fiscal year 1927 | N/A |
| VAARNAS (Kalle ) | Suomen postitoimipaikat 1638-1985 / Post offices in Finland 1638-1985 [1988] | N/A |
| VALE (edmund) | The mail-coach men of the late eighteenth century [1960] | Coaching |
| VALLENCE (E.T) | Postmen at War [2015] | Military |
| VAMOS (Emmerich) | The travelling post offices of Chile [1983] | Railways |
| VANDERVELDE ( V Denis) | Malta disinfected mail after 1870 [1973] | Disinfection |
