Helmut Heinrich Koester was an American scholar who specialized in the New Testament and early Christianity at Harvard Divinity School. His research was primarily in the areas of New Testament interpretation, history of early Christianity, and archaeology of the early Christian period.
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Introduction to the New Testament
1995
ISBN 9783110146936
History and Literature of Early Christianity
1982
ISBN 9783112328217
History, Culture, and Religion of the Hellenistic Age
1995
ISBN 9781306275484