Title: Mawsūʻāt al-ʻulūm al-ʻArabīyah, wa-baḥth ʻalá Rasāʼil Ikhwān al-Ṣafāʼ
Subjects: Arabic Encyclopedias and dictionaries, History and criticism, Ikhwān al-Ṣafāʾ, Ikhwān al-Ṣafāʼ