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Kjølsen K. Vejledende Arkivregistraturer XVI. Danish Department of Foreign Affairs until 1770 by Arthur G. Hassø and Erik Kroman. Translated by Mogens Møller. Published by Rigsarkivet. Copenhagen, 1973. 196 s. HT [Internet]. 1. januar 1975 [henvist 24. september 2020];130. Tilgængelig hos: https://tidsskrift.dk/historisktidsskrift/article/view/51668