praef 119 p.381 prae...
http://lila-erc.eu/data/lexicalResources/NLW/id/attestation/5610 <http://www.w3.org/nl/lemon/frac#Attestation>
praef 119 p.381 prae...
praef 119 p.381 praeexercitari in ... parte arithmetica.