In the 14th century the Dominican friar Ulrich Boner of Bern versified many old fables. Following the Protestant Reformation, versified translations of many of the Psalms were set as hymns. Gustav III himself drafted the opera libretto "Proserpin," which the poet Johan Henric Kellgren versified. Bible (Biblia versificata) of the middleages it is not just a collection of versified paraphrases. Among his lost works is versified fables collected in the "Kalila wa Dimna". Some of the works were versified for didactic purposes. For a first-century versified lampoon, see Domus Aurea. The farce usually takes a versified and musical form. Faqi-Tayran also had versified correspondence with the poet Malaye Jaziri. Her lyrics mark a return to a more classical, versified form. We have already stated that Antonio Pucci versified Villani's "Chronicle". If any poem of Browning's may be compared to versified special correspondence, it is this. His "Doctrinale puerorum", a versified grammar, soon became a classic. Some scholars have labelled much of the poetry of this period as "versified propaganda". His greatest fame stems from his versified Latin grammar book, the "Doctrinale Puerorum".