LetterSampo: CKCC Knowledge Graph includes separated in different subgraphs representing actors, letters, places, and other aspects and documentation of epistolary data. The data covers approx. 20 000 letters by 2 000 senders and receivers.

CKCC is an acronym for 'Circulation of Knowledge: A Web-based Humanities’ Collaboratory on Correspondences and Learned Practices in the 17th-century Dutch Republic').

The data publication is available at and source information at
Date made available19 Nov 2021
Temporal coverage1 Jan 1590 - 1 Jan 1705
Date of data production11 Jun 2020 - 19 Nov 2021
Geographical coverageCentral Europe

Dataset Licences

  • CC-BY-4.0

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