THE LIBRARY OF CONGRESS: Manuscripts in St. Catherine's Monastery, Mount Sinai. This collection includes photographs of 1687 manuscripts that were photographed by the Clark expedition in 1949. They are in Greek, Syriac, Georgian, Coptic, Armenian, Arabic, Ottoman Turkish, and Ethiopic, and Old Church Slavonic. The images have been digitized and placed online for free.
HT Peter M. Head at the ETC Blog and Brice C. Jones.
Saint Catherine's Monastery has been in the news recently with a report of what may have been a narrowly averted terrorist attack on it. Follow that link, and see also here and links, for much additional background on the monastery and its precious collection of manuscripts. And for many other manuscript digitization projects, start here and follow the links.