"Johann Friedrich Reiffenstein(22 November 1719, Ragnit, then in East Prussia – 6 October 1793, Rome) was a German cicerone for grand tourists, painter, antiquarian and agent for art collectors in Rome." - (en.wikipedia.org 11.11.2019)
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(The left column lists the relations of this actor to objects in the right column. In the middle you find other actors in relation to the same objects.)
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