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LetterSampo Finland Web Service Published Data on 1.3 Million Letters and 120,000 Correspondents From the Period of the Grand Duchy of Finland 1809-1917
May 31, 2025
AALTO, Finland, May 31 -- Aalto University issued the following news release:

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LetterSampo Finland web service published data on 1.3 million letters and 120,000 correspondents from the period of the Grand Duchy of Finland 1809-1917

LetterSampo Finland is a new Linked Open Data service and semantic portal based on it, a new member in the Sampo system series of more than 20 related systems, which have had millions of users online. The linked contents of . . .

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