A.S.M.B. Alhatlani, Descendants and ancestors: a study of Arabic inscriptions from the Arabian Peninsula (1st-4th c. AH/7th-10th c. CE) via Universiteit Leiden
Ronald Stewart, "MOUNT SINAI", IS NOT AT (JEBEL-EL-LAWZ) / (MAQ'LA) IN SAUDI ARABIA, A SCIENTIFIC STUDY WHY (JEBEL-MUSA) IS:"MT. SINAI"AND HOW: "PRE-WRITING HEBREW-PETROGLYPH-DEPICTIONS REVEAL THE ISRAELITE EXODUS"VOLUME # 1 (2020)