Hans Lietzmann 
The Era of the Church Fathers [PDF ebook] 

Frontmatter — Contents — Chronological Table — Translator’s Note — Chapter One. JOVIAN, VALENTINIAN, AND VALENS — Chapter Two. THEODOSIUS I AND THE END OF THE ARIAN CONTROVERSY — Chapter Three. THE WEST UNDER VALENTINIAN I AND GRATIAN — Chapter Four. AMBROSE AND THEODOSIUS — Chapter Five. POPULAR CHRISTIANITY IN THE FOURTH CENTURY — Chapter Six. MONASTICISM — Literature — SUGGESTIONS FOR FURTHER READING — INDEX