The Patristic era extends from the death of the Apostles until about the time of St. Isidore of Seville (in the West) and the Seventh Ecumenical Council, Niceae II (in the East).
Patristics is the study of the overall development of theology during the Patristic Era, and Patrology is the study of the individual Church Fathers, i.e., the Christian writers of the Patristic Era.
Ancient and Medieval Philosophy is the philosophical context in which they expressed themselves.
We have collected links to these studies here.