supr 56 p.228 Ducatu...
http://lila-erc.eu/data/lexicalResources/NLW/id/attestation/14237 <http://www.w3.org/nl/lemon/frac#Attestation>
supr 56 p.228 Ducatu...
supr 56 p.228 Ducatus autem declaratur liber et non incorporabilis Imperio, id est, non poterit ad Imperium recidere ex jure Feudi aperti.