The Princeton University Library is fortunate to have one of the largest collections of Ethiopic manuscripts outside Ethiopia, including nearly 180 codices and more than 500 magic scrolls, as they are called.One of them is a manuscript of 1 Enoch used by R. H. Charles in his 1893 edition.
HT Ancient Jew Review. For more on the ancient Ethiopian city of Axum (Aksum) see here and links. Cross-file under Old Testament Pseudepigrapha Watch.