Iadgari of Mikael Modrekili

Iadgari of Mikael Modrekili (Georgian: მიქაელ მოდრეკილის იადგარი) is a Georgian manuscript of the 10th century, containing a special hymnographic collection of the early Byzantine period, known as tropologion. This collection preserved all Georgian original and translated chants known in the 10th century.

Source: Wikipedia — Iadgari of Mikael Modrekili (CC BY-SA 4.0)