op I p.370 Antequam ...
http://lila-erc.eu/data/lexicalResources/NLW/id/attestation/23186 <http://www.w3.org/nl/lemon/frac#Attestation>
op I p.370 Antequam ...
op I p.370 Antequam ad rationes deveniam, sententiam prius eorum declarare expediet, qui Aristotelis opinionem sectant.