praef Ptol sig.a2r (...
http://lila-erc.eu/data/lexicalResources/NLW/id/attestation/12207 <http://www.w3.org/nl/lemon/frac#Attestation>
praef Ptol sig.a2r (...
praef Ptol sig.a2r (ca. 1462) tum propter magnitudinem atque excellentiam rerum in quibus versatur, tum propter scabrositatem librorum, qui ... incredibile dictu est quantam pre se difficultatem ferant.