* Richard Marks: "The Image of Bar Kokhba in Traditional Jewish Literature: False Messiah and National Hero": University Park: Pennsylvania State University Press: 1994: ISBN 0-271-00939-X* David Ussishkin: "Archaeological Soundings at Betar, Bar-Kochba's Last Stronghold", in: "Tel Aviv.
* Richard Marks: "The Image of Bar Kokhba in Traditional Jewish Literature: False Messiah and National Hero": University Park: Pennsylvania State University Press: 1994: ISBN 0-271-00939-X* David Ussishkin: "Archaeological Soundings at Betar, Bar-Kochba's Last Stronghold", in: "Tel Aviv.