National Library of Scotland
National Library of Scotland: Digital Archive: Last Letter: Mary, Queen of Scots
Digital facsimile, with transcriptions in English and French, of the last letter written by Mary, Queen on Scots. Addressed to Henry III, the French king, it tells of her impending execution, just hours away.
Other
Churchill College: Churchill Archives Centre
This site offers information about Churchill's life along with primary source documents from his career.