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:
Notizbuch Friedrich III. AEIOU.jpeg It is mostly written with his hand The explication of aeiou is written with another handwriting Die Haupteintragungen stammen von ihm Zustze insbesondere die Erklrung der Buchstabenfolge stammen von anderer Hand sterreichische Nationalbibliothek habsburger net size plus Die Welt der Habsburger