1. Al-Ansary, A.R. 1982. Qaryat al-Faw: A portrait of pre-Islamic civilisation in Saudi Arabia. Riyadh: Riyadh University Press.
2. Al-Rashid, S.A. 1979. Ancient water tanks on the Hajj route from Iraq to Mecca and their parallels in other Arab countries. Atlal 3: 55–62.
3. Al-Rashid, S.A. 1980. Darb Zubayda. The pilgrim road from Kufa to Mecca. Riyadh: Riyadh University Press.
4. Al-Rashid, S.A. 1986. Al-Rabadah: A portrait of early Islamic civilization in Saudi Arabia. Riyadh: King Saud University.
5. Bouzigard, A.C., and B. Saidel. 2012. A note on the dating of the clay smoking pipes collected in the course of two archaeological surveys conducted in Saudi Arabia: The Comprehensive Survey of Saudi Arabia (1976–1981) and Michael Gilmore’s survey of the Darb al-Hajj. Arabian Archaeology and Epigraphy 23: 116–124.