This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Musica enchiriadis Rex celi. de Frheste Darstellung eines Organums in einer theoretischen Schrift der Musica enchiriadis aus dem spten Jahrhundert Musica enchiriadis Bamberg Staatsbibliothek Var fol Unknown writer late th century PDold Musical manuscripts Medieval manuscripts Medieval music Music treatises Bamberg Staatsbibliothek