Though best known as a historian, Eusebius was also an apologist, topographer, preacher, critic, and exegetical writer.
त्याच्या जीवनाच्या उत्तरार्धात, लेखनाव्यतिरिक्‍त तो सिझेरियाचा बिशप म्हणूनही कार्य करत होता.