The MIRABILE website lets Internet users access a number of highly integrated research tools, such as: online data-bases related to research projects carried on by SISMEL and FEF during the last three decades digital versions of periodicals issued by SISMEL. Edizioni del Galluzzo MIRABILE is the result of various analisys and integration processes running since the 90's over the vast amount of informations stored in the data-bases of SISMEL and FEF. The main goal for MIRABILE is to provide internet users with a digital tool, open and constantly evolving (from both the content and technology sides), for study and research about medieval authors and texts as well as their transmission, through a highly-integrated custom search engine, working on both the databases and digital library (currently the online journals of SISMEL. Edizioni del Galluzzo). Users could search at the same time in the whole archive (data-base and digital library) and get access to records and articles (in PDF format).