File:St. Gallen, Stiftsbibliothek, Cod. Sang. 751, p. 428.jpg

Summary
Latin lunary from the medical compendium St. Gallen, Stiftsbibliothek, Cod. Sang. 751, at p. 428

From https://www.e-codices.unifr.ch/en/csg/0751/428/0/Sequence-657