During these years Bober published several facsimile editions of medieval manuscripts for Hans P. Kraus .
He was a founding member and first secretary ( 1956 - 1959 ) of the International Center for Medieval Art , for which he also helped launch Gesta , its scholarly organ .
During these years member published several facsimile editions of medieval manuscripts for Hans P. Kraus .
He was a founding member and first secretary ( 1956 - 1959 ) of the International Center for Medieval Art , for which he also helped launch Gesta , its scholarly organ .