Čāhār maqāla dar ḥudūd-i sana-i 550 hiǧrī / Aḥmad b. ʿUmar b. ʿAlī al-Niẓāmī al-ʿArūẓī al-Ṣamarqandī ; ba-saʿy va ihtimām va taṣḥīḥ-i Muḥammad b. ʿAbd al-Wahhāb Qazwīnī ; [pref by Edw. G. Browne]Chahár maqála (The four discourses) of Aḥmad ibn ʿUmar ibn ʿAlí an-Niẓámí al-ʿArúḍí as-Samarqandí / ed., with introd., notes and indices by Muḥammad ibn ʿAbdu ʾl-Wahháb of QazwínRevised translation of Chahár maqála ("Four discourses") of Niẓámí-i-ʿArúḍí of Samarqand, followed by an abridged translation of Mírzá Muḥammad's notes to the Persian text / by Edward G. BrowneČāhār maqāla dar ḥudūd-i sana-i 550 hiǧrī / Aḥmad b. ʿUmar b. ʿAlī al-Niẓāmī al-ʿArūẓī al-Ṣamarqandī ; ba-saʿy va ihtimām va taṣḥīḥ-i Muḥammad b. ʿAbd al-Wahhāb Qazwīnī ; [pref by Edw. G. Browne]