St. Gallen, Stiftsbibliothek, Cod. Sang. 456 : A martyrology by Notker Balbulus

The sole surviving copy of the Martyrologium by the St. St. Gall monk Notker Balbulus (d. 912), a work written in about 900 and following. This particular copy from the first half of the 10th century is incomplete: a martyrology includes short biographies of the saints according to their given days in the calendar year, but information about saints for dates from June 13-17, July 3-6, August 19-26…