The research and restoration of manuscript Accademia Nazionale dei Lincei e Corsiniana, Conti Rossini Et. 70 (Psalter, 18th-19th century) was conducted, within the framework of a B.A. course in Methods and technologies for the conservation and restoration of book heritage at the Faculty of Arts of the University of Rome “Tor Vergata”, with the idea of gaining insight in the materials and techniques of Ethiopian manuscript production that would enable to approach knowingly the restoration. It was the first time that the cognitive scientific methods of inquiry that have been used in various spheres of library and archive – and generally cultural heritage – work were applied to an Ethiopian manuscript.