soc ed. Burmana p.19...
http://lila-erc.eu/data/lexicalResources/NLW/id/attestation/2180 <http://www.w3.org/nl/lemon/frac#Attestation>
soc ed. Burmana p.19...
soc ed. Burmana p.199 (1486) de forma litterarum pulcra vendibilis et laudata per homines in huiusmodi artes expertos et praticos.