Ancient manuscripts discovered in the Qumran Caves Crossword Clue

 The answer to the crossword clue "Ancient manuscripts discovered in the Qumran Caves" is DEAD SEA SCROLLS. 

The Dead Sea Scrolls are a collection of ancient Jewish religious manuscripts that were discovered in eleven caves near Khirbet Qumran, on the northwestern shore of the Dead Sea in the West Bank. They were discovered between 1947 and 1956. The scrolls date from the third century BCE to the first century CE, and they include copies of the Hebrew Bible, as well as other religious texts, such as the Community Rule, the War Scroll, and the Book of Enoch.

The Dead Sea Scrolls are one of the most important archaeological discoveries of the 20th century. They have shed light on the history of Judaism and early Christianity, and they have also helped to us understand the development of the Hebrew Bible.