Ramaḍān al-Mabrūk Khalīfah Rayyānī

• al-ʻAlāqāt al-ʻArabīyah al-Ṣiqillīyah khilāla al-qarnayn al-sādis wa-al-sābiʻ al-Hijrīyayn, al-thānī wa-al-thālith ʻashar al-Mīlādīyayn (484-682 H/1091-1284 M)