| DANZIG (Robert) | The cancellations of the 1841 Penny Red | N/A |
| DAUNTON (M J) | Royal Mail: the Post Office since 1840 [1985] | N/A |
| DAUPHINE (Mario Chesne) | The Italian post offices in Constantinople 1908-1923 [1988] | N/A |
| DAVIES (D G) | The cancellations of Melbourne 1861-1912; in collaboration with J R W Purves [1980] | N/A |
| DAVIES (Peter | First post penny black to the present day [1990] | N/A |
| DAVIS (Bonnie) | Royal Siamese postal service (the early years) 1833-1908 [1983] | N/A |
| DAVIS (Gerald) | Burma postal history [with suppt] [1987] | N/A |
| DAVIS (H C) | A post-Habsburg index Part 1 Western; Part 2 Eastern; Part3 Bosnia-Hercegovina [1975] | N/A |
| DAVIS (J D) | The Falklands War: postal history & stamps of the Argentine occupation [1982] | Military |
| DAVIS (J) | Egypt: From the Postal Concession until Suez 1932 to 1956 Part 1 [2014] Part 2 [2018] Part 3 [2019] | Military |
| DAVIS (P R) | A post-Habsburg index | N/A |
| DAVIS (Sally) | John Palmer and the Mailcoach era [1984] | Mailcoaches |
| DAVIS (Wilbur W) | Postal markings of Boston Massachusetts to 1890 [1949] | N/A |
| DAWSON (Giles E) | Elizabethan handwriting 1500-1650: a manual [1966] | N/A |
| DAY (K M) | Canadian fancy cancellations of the nineteenth century 2nd ed, [1981] | N/A |
| DAYNES (J A) | Wartime postal stationery. A priced list of forces postal stationery used by British Empire & Allied Forces in exile [1986] | Military |
| DAYNES (J A) editor | World War Two censor marks: a priced list of censor marks and labels used by British Empire and Allied Forces in exile [1986] | Military |
| DAYNES (John) | Locally printed forces airmail, lettercards of East Africa in World War II [2005] | Aviation, Local, WW2 |
| DE FAYSSE M | Les bureaux de poste du department de L’lle et Vilaine 1695-1876 [1966] | N/A |
| DE GREEF (Albert) | Dictionnaire des bureaux de poste de Belgique de 1830 a 1983, avec la collaboration de Henri Herman [1984] | Belgium |
| DEERY (M) | Return to Sender – Devices used to identify service suspended during WWII [2011] | Military |
| DEHN (Roy A) | Dictionary of English and Italian philatelic terms [1994] | N/A |
| DEHN (Roy A) | The stamps and postal history of Fiume 1600-1924 [1998] | N/A |
| DEIGHTON (D) | British county postal history (Buckinghamshire) [1999] | N/A |
| DELBEKE (CJP) | La Poste Maritime Belge [2009] | Belgium, Maritime |
| DELBEKE (Claude J P) | The mails from ‘our country’ to and across France 1818 to 1849. Translation from the Flemish by G De Vlieger [1982] | N/A |
| DELBEKE (Claude J P) | De Nederlandse Scheepspost: Nederland – 1600-1900: met catalogus van de stempels [1998] | Maritime |
| DELFOSSE (A) | Belgique: catalogue des cachets a etoiles de 1880 a 1980, depots, agences postales [1980] | Belgium |
| DELOSTE (C) | Histoire postale et militaire de la premiere guerre mondiale: postes militaires francaises alliees et ennemies sur la front francais [1968] | Military, WW1 |
| DELWAULLE (Jean-Claude) | Les cachets manuels de l’administration des postes apposes a Paris de Mars 1876 a nos jours | N/A |
| DELWAULLE (Jean-Claude) | Les timbres a date manuels de la recette principale a Paris de Mars 1876 a nos jours | N/A |
| DELWAULLE (Jean-Claude) | La petite poste de Paris 1760-1795 [1995] | N/A |
| DENINGER (Hermann) | Abgekurzte vorphilatelistische stempel [1948] | N/A |
| DENINGER (Hermann) | Handbuch der abgekurzten vorphilatelistischen stempel [1963] | N/A |
| DENMARK | Postnumre fur Denmark & Greenland | Mechanisation, Scandinavia |
| DERBYSHIRE PHS | Undated Circular Date Stamps of Derbyshire 1829-60 [1979] | N/A |
| DEWAVRIN (F P) | A Crimean War Study by a Postal Historian [1997] | Military |
| DEWAVRIN (F Piat) | Crimean War 1853 56 [1994] | Military |
| DEWEY (A A) | Handbook and simplified catalogue of the meter stamps of Great Britain and Ireland (Eire) [1966] | N/A |
| DEXTER (B E) | Kelanton – its Stamps and Postal History | N/A |
| DIBDEN (W G Stitt) | The additional halfpenny mail tax 1813-1839 [1963] | Coaching |
| DIBDEN (W G Stitt) | Early stamp machines [1964] | Mechanisation |
| DIBDEN (W G Stitt) | Four hundred years of Anglo-Dutch mail (1574-1965) [1965] | Maritime |
| DIBDEN (W G Stitt) | Late fee and Too late stamps [1966] | N/A |
| DIBDEN (W G Stitt) | Leicester and the posts [1966] | N/A |
| DIBDEN (W G Stitt) | London date stamp codes [1958] | N/A |
| DIBDEN (W G Stitt) | The mail route to the West Indies, a research document compiled from official & other sources [1966] | Maritime |
| DIBDEN (W G Stitt) | Newspaper branch cancellations [1971] | Newspapers |
| DIBDEN (W G Stitt) | The newspaper branch ‘killers’ [1960] | Newspapers |
| DIBDEN (W G Stitt) | The 1948 Olympics at Wembley [1959] | N/A |
