 At the time Trever was filling in for Millar Burrows, the director at the American Schools of Oriental Research.He was contacted by a representative of Mar Samuel of St. Mark's Assyrian Orthodox Monastery who desired to authenticate three scrolls that we now know had been purchased from Kando, a Syrian-Christian antiquities dealer in Bethlehem.Trever, an experienced photographer, photographed the scrolls, 1QIsaiahA, 1QpHabukkuk, and 1QS, and immediately sent copies to Near East scholar William F. Albright, who recognized them as the "greatest MS discovery of modern times!”

Trever is the author of "The Untold Story of Qumran" (1965) and "The Dead Sea Scrolls