…OK, i wrote the previous entry before reading the whole of the Britannica article. Well, further into it appears a harsher “rights manager”:
The next important dictionary to be published was an English–French one by John (or Jehan) Palsgrave in 1530 […] and a letter has survived showing that he arranged with his printer that no copy should be sold without his permission, lest his proffit by teaching the Frenche tonge myght be mynished by the sale of the same to suche persons as, besids hym, wern disposed to studye the sayd tongue.
Aharoni in Unicode 