Livonian Chronicle of Henry
The Livonian Chronicle of Henry (Latin: Heinrici Cronicon Lyvoniae) is a Latin narrative of events in Livonia (roughly corresponding to today's Estonia and Latvia) and surrounding areas from 1180 to 1227. It was written c. 1229 by a priest named Henry.
Source: Wikipedia — Livonian Chronicle of Henry (CC BY-SA 4.0)