exeg praef quominus,...

http://lila-erc.eu/data/lexicalResources/NLW/id/attestation/4953 <http://www.w3.org/nl/lemon/frac#Attestation>

exeg praef quominus,... 
exeg praef quominus, dum perfectiores ... ingenii fructus aedidero, serenitati tuae ... foenora sim exhibiturus, compositioraque cum nominis tui subscriptione prohemiaturus. 

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