v. 1. ʻAṣr al-inbithāq: yashtamilu ʻalá tārīkh al-ʻArab qabla al-Islām

v. 2. ʻAṣr al-inṭilāq: yashtamilu ʻalá sīrat al-Nabī al-Karīm ṣallá Allāh ʻalayhi wa-sallam

v. 3. al-Khulafāʾ al-Rāshidūn: Abū Bakr. ʻUmar. ʻUthmān. ʻAlī

v. 4. ʻAṣr al-ittisāq: tārīkh Banī Umayyah fī al-Mashriq sanat 40 Hilá sanat 132 H wa-fī al-Maghrib min sanat 138 H ilá sanat 422 H maʻa mūjaz tārīkh al-Andalus ilá ḥīn suqūṭihā sanat 897 H

v. 5. ʻAṣr al-izdihār: tārīkh al-dawlah al-ʻAbbāsīyah mundhu ʻahd Abī al-ʻAbbās al-Saffāḥ ilá nihāyat ʻahd al-Muʻtaṣim Billāh min sanat 132 H ilá sanat 232 H

v. 6. ʻAsr al-inḥilāl: tārīkh al-dawlah al-ʻAbbāsīyah min ʻahd al-Mutawakkil ʻalá Allāh ilá ʻahd al-Mustaʻṣim Billāh min sanat 232 H ilá sanat 656 H

v. 7. ʻAṣr al-inḥidār: yashtamilu ʻalá tārīkh al-ʻIrāq wa-al-Shām wa-Miṣr wa-al-Jazīrah al-ʻArabīyah wa-al-Maghrib al-ʻArabī mundhu suqūṭ Baghdād sanat 656 ilá fajr ʻAṣr al-Nahdah fī al-qarn al-thālith ʻashar

v. 8. ʻAsr al-inbiʻāth: yashtamilu ʻalá tārīkh al-Bilād al-ʻArabīyah mundhu fajr al-qarn al-thālith ʻashar al-Hijrī (al-tāsiʻ ʻashar al-Mīlādī) ḥattá al-ʻAsr al-ḥāḍir.