William F. Albright, “The Early Alphabetic Inscriptions from Sinai and Their Decipherment,” Bulletin of the American Schools of Oriental Research (BASOR) 110 (1948), pp. 6–22; and Itzhak Beit-Arieh, “Serabit el-Khadim: New Metallurgical and Chronological Aspects,” Levant 17 (1985), pp. 89–116.