Gwinnett, A. John; Gorelick, Leonard (1991). "Bead Manufacture at Hajar Ar-Rayhani, Yemen". The Biblical Archaeologist. 54 (4): 187-196. doi:10.2307/3210280. ISSN0006-0895. JSTOR3210280.
Gwinnett, A. John; Gorelick, L. (1993). "Beads, Scarabs, and Amulets: Methods of Manufacture in Ancient Egypt". Journal of the American Research Center in Egypt. 30: 125-132. doi:10.2307/40000232. ISSN0065-9991. JSTOR40000232.
Gwinnett, A. John; Gorelick, Leonard (1991). "Bead Manufacture at Hajar Ar-Rayhani, Yemen". The Biblical Archaeologist. 54 (4): 187-196. doi:10.2307/3210280. ISSN0006-0895. JSTOR3210280.
Gwinnett, A. John; Gorelick, L. (1993). "Beads, Scarabs, and Amulets: Methods of Manufacture in Ancient Egypt". Journal of the American Research Center in Egypt. 30: 125-132. doi:10.2307/40000232. ISSN0065-9991. JSTOR40000232.
Gwinnett, A. John; Gorelick, Leonard (1991). "Bead Manufacture at Hajar Ar-Rayhani, Yemen". The Biblical Archaeologist. 54 (4): 187-196. doi:10.2307/3210280. ISSN0006-0895. JSTOR3210280.
Gwinnett, A. John; Gorelick, L. (1993). "Beads, Scarabs, and Amulets: Methods of Manufacture in Ancient Egypt". Journal of the American Research Center in Egypt. 30: 125-132. doi:10.2307/40000232. ISSN0065-9991. JSTOR40000232.