Paul Yule et al., Zafār, Capital of Himyar, Ibb Province, Yemen First Preliminary Report: 1998 and 2000, Second Preliminary Report: 2002, Third Preliminary Report: 2003, Fourth Preliminary Report: 2004, Archäologische Berichte aus dem Yemen 11 (Mainz 2007 [2008]) 479–547, pls. 1–47 + CD-ROM, ISSN0722-9844, ISBN978-3-8053-3777-9 digital version: *[1]
Paul Yule (ed.), Ẓafār, Capital of Ḥimyar, Rehabilitation of a ‘Decadent’ Society, Excavations of the Ruprecht-Karls-Universität Heidelberg 1998–2010 in the Highlands of the Yemen, Abhandlungen Deutsche Orient-Gesellschaft, vol. 29, Wiesbaden 2013, 32, ISSN0417-2442, ISBN978-3-447-06935-9
Paul Yule et al., Zafār, Capital of Himyar, Ibb Province, Yemen First Preliminary Report: 1998 and 2000, Second Preliminary Report: 2002, Third Preliminary Report: 2003, Fourth Preliminary Report: 2004, Archäologische Berichte aus dem Yemen 11 (Mainz 2007 [2008]) 479–547, pls. 1–47 + CD-ROM, ISSN0722-9844, ISBN978-3-8053-3777-9 digital version: *[1]