<hi xmlns="http://www.tei-c.org/ns/1.0" style="font-size:12pt" xml:space="preserve">Among the various scientific objectives of our research project is also to improve the accessibility of data obtained from historical sources held in the Vatican Archive and to offer them to the scientific community according to FAIR principles </hi> <hi xmlns="http://www.tei-c.org/ns/1.0" rend="background(white)" style="font-size:12pt">(Findability, Accessibility, Interoperability, Reuse) (</hi> <hi xmlns="http://www.tei-c.org/ns/1.0" style="font-size:12pt" xml:space="preserve">Wilkinson </hi> <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic" style="font-size:12pt">et al.</hi> <hi xmlns="http://www.tei-c.org/ns/1.0" style="font-size:12pt">, 2016.</hi> <hi xmlns="http://www.tei-c.org/ns/1.0" rend="background(white)" style="font-size:12pt">)</hi> <hi xmlns="http://www.tei-c.org/ns/1.0" style="font-size:12pt">, thus overcoming the inaccessibility of papal sources through modern technologies. In this paper we describe the methods and tools we are developing to address these challenges.</hi>