"Jan Gruter or Gruytère, Latinized as Janus Gruterus (3 December 1560 – 20 September 1627), was a Flemish-born philologist, scholar, and librarian." - (en.wikipedia.org 31.01.2020)
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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.)