I That the treasure of wisdom is chiefly contained in books II The degree of affection that is properly due to books III What we are to think of the price in the buying of books IV The complaint of books against the clergy already promoted V The complaint of books against the possessioners VI The complaint of books against the mendicants VII The complaint of books against wars VIII Of the numerous opportunities we have had of collecting a store of books IX How, although we preferred the works of the ancients, we have not condemned the studies of the moderns X Of the gradual perfecting of books XI Why we have preferred books of liberal learning to books of law XII Why we have caused books of grammar to be so diligently prepared XIII Why we have not wholly neglected the fables of the poets XIV Who ought to be special lovers of books XV Of the advantages of the love of books XVI That it is meritorious to write new books and to renew the old XVII Of showing due propriety in the custody of books XVIII Showeth that we have collected so great store of books for the common benefit of scholars and not only for our own pleasure XIX Of the manner of lending all our books to students XX An exhortation to scholars to requite us by pious prayers.