See Hannah M. Cotton, “The Bar Kokhba Revolt and the Documents from the Judaean Desert: Nabataean Participation in the Revolt” (P. Yadin 52) in Schäfer, ed., The Bar Kokhba War Reconsidered, pp. 133–152; Glen Bowersock, “The Tel Shalem Arch and P. Nahal Hever/Seiyal 8, ” in Schäfer, The Bar Kokhba War Reconsidered, pp. 177–180.