ep ed. Herrmann p.55...
http://lila-erc.eu/data/lexicalResources/NLW/id/attestation/40847 <http://www.w3.org/nl/lemon/frac#Attestation>
ep ed. Herrmann p.55...
ep ed. Herrmann p.55 (1447) Quas ob res, amantissime frater, refretus naturali federe vtriusque nostrum, quo mihi frater es, preceptor atque confugium summum, per hunc calamum ad te proficiscor.