Charles, Williamson, David (editors). Debrett's Peerage and Baronetage (1990 edition). New York: St Martin's Press, 1990, External links BBC article Biography of Sir Harry from Oundle School Society The Times Great British Olympians 1911 births 1999 deaths Military personnel from Rhondda Cynon Taf People educated at Oundle School Alumni of Trinity College, Cambridge British Yeomanry officers British Army personnel of World War II Welsh equestrians Commanders of the Order of the British Empire Equestrians at the 1948 Summer Olympics Equestrians at the 1952 Summer Olympics Olympic gold medallists for Great Britain Olympic bronze medallists for Great Britain Olympic equestrians of Great Britain British male equestrians British show jumping riders Baronets in the Baronetage of the United Kingdom Knights Bachelor Sportspeople from Aberdare Olympic medalists in equestrian Medalists at the 1952 Summer Olympics Medalists at the 1948 Summer Olympics Welsh Olympic medallists