Archive (TNA)
Prime Ministerial Private Office files

Soviet Union: MT letter to Lord Marshall (President Gorbachev's Visit) [speculation that MT was source of Western advice to Gorbachev regarding the real cause of the Chernobyl disaster] [released Jul 2017]

Document type: Declassified documents
Source: PREM19/2546 f232
Editorial comments:

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Importance ranking: Major
Word count: 10pp
Themes: British relations with France, British relations with the Federal Republic of Germany, British relations with the Soviet Union, British relations with the US, Foreign policy (USSR & successor states), Energy, Environment