Simon's often quoted source, the ''liber de doctrina arabica'', has so far not been identified, but cf. what must be a similar glossary/dictionary -  Vocabulista - (ed. Schiaparelli) [[https://archive.org/details/vocabulistainara00bibluoft]]:
 
Simon's often quoted source, the ''liber de doctrina arabica'', has so far not been identified, but cf. what must be a similar glossary/dictionary -  Vocabulista - (ed. Schiaparelli) [[https://archive.org/details/vocabulistainara00bibluoft]]: