Life of Apollonius of Tyana
Philostratus's biography of the Neo-Pythagorean philosopher Apollonius of Tyana, written in eight volumes, describing Apollonius's extensive travels through Persia, India, Ethiopia, and beyond.
Pope Clement VIII, Jerome's Prefaces, On Worship
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II. JEROME TO PAULINUS.
— Jerome cites Philostratus as having written about Apollonius's travels in eight volumes, as an example of the lengths to which seekers of knowledge go
"Philostratus wrote about this most fully in eight volumes."