Riḥlah dākhil al-Jazīrah al-ʿArabīyah - Euting, Julius, 1839-1913 (Dārat al-Malik ʿAbd al-ʿAzīz, 1999)
"Ṣadara bi-munāsabat murūr miʾat ʿām ʿalá taʾsīs al-Mamlakah al-ʿArabīyah al-Saʿūdīyah."