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| WEST (V) | The Postal History of the Oxford Union Society to 1920 [2012] | N/A |
| WEST BENGAL POSTAL CIRCLE | Milepost on a long journey [2005] | N/A |
| WESTLEY (H C) | The Postal Cancellations of London 1840-90 [1950] | Mechanisation |
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| WHEATCROFT (S) | The Mungavin Archive of the Pioneer Flights between Europe and the East 1918-1937 [2004] | Aviation |
| WHEATLEY R. | Egypt: The Hotel Post Offices [2019] | Hotels |
| WHEATLEY, R. | The Simon Arzt Story [2020] | N/A |
| WHEELER (R) | De Havilland: A Postal History [1996] | Aviation |
| WHEELER-HOLOHAN (V) | The History of the King’s Messengers [1935] | N/A |
| WHITE (Geoff T) | The numeral cancellations of Victoria | N/A |
| WHITE (J S) | The Postal History of New South Wales 1788-1901 [1988] | N/A |
| WHITEHEAD (Donald R) | The postmarks of Mexico 1874-1900 … | N/A |
| WHITESIDE (J L) | Some notes on currency relationships prior to 1914 [1989] | N/A |
| WHITESIDE (J) | Hyperinflation Mail prior to 1950 [1995] | N/A |
| WHITESIDE (John) | The silver yardstick 1840-1871: currencies applied to postal rates in the 19th century | N/A |
| WHITNEY (J T) | Yn Post Manninagh / Isle of Man Handbook of stamps and postal history [1978] | N/A |
| WHITNEY (J T) | French Islands: a priced catalogue to the postal history of the islands of the north & west coasts of | N/A |
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| WIDEN (K) & KNUDSEN (B) | Postal Rates in Greenland 1851-1999 [2001] | N/A |
| WIEGAND (Werner) | Katalog der aerogramme von Australien und Ozeanien | N/A |
| WIENEKE (M) | The German Field Post Office in the Channel Islands 1940-45 | Military |
| WIERENGA (T J) | United States incoming steamship mail 1847-75 [1983]; 2nd edition [2000] | Maritime |
| WIERENGA (T J) | The Gold Rush Mail Agents to California & their postal markings 1849-1852 [nd] | N/A |
| WIGNALL (C J) | Complete British Railways maps & gazeteer 1825-1985 [1985] | Railways |
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| WIJNANTS (P) | The Maritime Connections to and from New South Wales before 1876 [2016] | Maritime |
| WIKE (R G) | British Empire civil censorship devices World War II; Trinidad & Tobago [1993] | N/A |
| WIKE (R G) | Airmails of Trinidad & Tobago [1999] | Aviation |
| WIKE (Ronald G) | Machine Cancellations of Trinidad & Tobago 1923-1997 | N/A |
| WILDSCHUTZ (K) | Die Klassischen deutschen feldpostempel 1803-1870 [1995] | Military |
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| WILKINSON (I G) | British Greetings Telegrams & Telemessage Special Occasion Cards [1991] | Telegrams |
| WILLCOCKS (R M) | The Postal History of Great Britain & Ireland (to 1840) [1972] 2nd edition [1980] | N/A |
| WILLCOCKS (R M) | England’s Postal History to 1840 [1975] | N/A |
| WILLCOCKS (R M) & (R W) & BENTLEY (W) | The Spoon Experiment 1853-58 [1960] | N/A |
| WILLCOCKS (R M) & JAY (B) | The British County Catalogue of postal history Vols 1-5 [1978 to 1996] | N/A |
| WILLIAMS (B) | Hold-up at Sears Crossing: a guide to the Great Train Robbery [1998] | Railways |
| WILLIAMS (DR) | A Postal History of Durham City | N/A |
| WILLIAMS (E A) | The Postal History of the Northern Territory 1824-1988 [1992] | N/A |
| WILLIAMS (L N) & (M) | Hotel Posts of Hungary & Roumania [1962] | N/A |
| WILLIAMSON (Sir F) | Air Mails [1933] | Aviation |
| WILLOUGHBY (M) | A History of Postcards [1992] | N/A |
| WILSON (H S) | The Travelling Post Offices of Great Britain & Ireland [1996] | Railways |
| WILSON (H S) | History of the post in Derby 1635-1941 [1990] | N/A |
| WILSON (H W) | T.P.O.: a history of the travelling post offices of Great Britain ; 3 vols [1977-79] | Railways |
| WILSON (J) | Imperial Censorship operations in the Gambia in 1942 [2014] | Military |
| WILSON (J) | Report on the progress of civil aviation 1939-1945 [1996] | Aviation |
