The Dead Sea scrolls.

The greatest textual find of century XX.

Attributed author(s).

Text(s) available.
On site: 4Q521 (Hebrew and English), 7Q5 (Hebrew and English), 3 photos.
Gnosis: Texts of the Dead Sea scrolls (English and scans).
Visions of Amram (4Q543-547) at Online Critical Pseudepigrapha.
Library of Congress Exhibit: Scrolls from the Dead Sea and the Qumran library.
ABC: Scroll fragments (Hebrew, English, and scans).

Useful links.
Essenes in the Jewish Encyclopedia.
Essenes in the Catholic Encyclopedia.
Dead Sea Scrolls at WSRP Educational Site.
Second Thoughts on the Dead Sea Scrolls (F. F. Bruce).
Dating the scrolls (University of Arizona).

Jewish background texts (Jim Davila).
Dead Sea scrolls factsheet (Ed Cook).
Preserving the Dead Sea scrolls (Bruce Zuckerman).

The Dead Sea scrolls were discovered in 1946-1947 by two Bedouin shepherds.