'''Liber definitivus,'''<ref>Levine 1967, in {{Morgan}}</ref> sive fortasse '''liber scholasticus''' vel '''liber cursuum,''' vel '''liber didacticus''', est libellus eruditionis<!--instruction--> in quolibet [[scientia (ratio)|scientiae]] campo. Libri definitivi secundum postulationes [[collegium|collegiorum]]<!--institutions--> [[educatio]]nis paruntur. Plurimi libri definitivi solum forma [[impressio|impressa]] venumdantur, sed multi nunc in [[interrete]] ut [[liber-e|libri electronici]] inveniri possunt<!-- and increasingly, although illegally, in scanned format on file sharing networks.-->