Playfair, Col (1867). "On the Himyaritic Inscriptions Lately brought to England from Southern Arabia". Transactions of the Ethnological Society of London. 5: 174–177. doi:10.2307/3014224. JSTOR3014224.
Behnstedt, Peter. Dialect Atlas of North Yemen and Adjacent Areas. Leiden, The Netherlands: Brill, 20 Jul. 2017. doi:10.1163/9789004326422 Web.
jstor.org
Playfair, Col (1867). "On the Himyaritic Inscriptions Lately brought to England from Southern Arabia". Transactions of the Ethnological Society of London. 5: 174–177. doi:10.2307/3014224. JSTOR3014224.
RETSÖ, JAN. “‘KAŠKAŠA’, T-PASSIVES AND THE ANCIENT DIALECTS IN ARABIA.” Oriente Moderno, vol. 19 (80), no. 1, Istituto per l’Oriente C. A. Nallino, 2000, pp. 111–18, JSTOR25817704.
Vanhove, Martine. “NOTES ON THE ARABIC DIALECTAL AREA OF YĀFIʿ (YEMEN).” Proceedings of the Seminar for Arabian Studies, vol. 25, Archaeopress, 1995, pp. 141–52, JSTOR41223556.