Bretzke, K., R. Crassard, and Y. H. Hilbert. “Editors’ Foreword (Vol. 50, Supplement)”. Proceedings of the Seminar for Arabian Studies, vol. 50, no. 2, Aug. 2020, p. i-viii, https://archaeopresspublishing.com/ojs/index.php/PSAS/article/view/1125.