The impetus for the development of Agora arose from the request to present in the internet the typical content out of the library environement, as there were digitized monographs, journals, collections of letters, etc.
Meanwhile we have a series of solutions which goes from literary journals to mathematic papers.
Because of the openess of the system we are able to describe various of documents, by now even documents which have less to do with the
primarily documents of the classical libraries.