Libraries and archives Biblioteca Malatestiana Included in the "Memory of the World of Unesco", is one of the best preserved in Italy humanities libraries, able to attract scholars and visitors from around the world. Its construction was completed in 1454, era in which date back many of the original features that still remain today, from the magnificent portal of access to and from the banks of reading that adorn the aisles of '"Aula del Nuti", named after the architect who built it.