Filmografía
Películas
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Die Queen und ihre Premiers
Self2022
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Prince Philip: A Lifetime of Duty
self2021
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Secrets of the Royal Servants
Himself (Royal Biographer)2019
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Elizabeth & Margaret: A Tale of Two Sisters
Self2018
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Edward VIII: The Plot to Topple a King
Self - Royal Biographer2013
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The Coronation of Queen Elizabeth II
Historian2012