Discovery is a searchable index to the National Archives of the UK (formerly known as National Register of Archives) contain references to papers of approximately 150,000 corporate bodies, persons and families relating to British history with a further 100,000 connected records. These are held in a network of national and local record offices, university libraries, and specialist repositories in the UK and abroad. Discovery gives details on availability and access if the records are held privately. (Updates vary)
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