- Prof. Dr. Matthias M. Tischler gives a paper on “Scriptures in Transition: The Carolingian Transformation of Visigothic Septimania and Catalonia Seen from a Palaeographical and Codicological Standpoint, 9th to 11th Centuries” at a Workshop of the Institute for Medieval Research of the Austrian Academy of Sciences, Vienna, January 17, 2020.