Al-Mu'jam al-Saghir, authored by Imam Al-Tabarani (رَحِمَهُ ٱللَّٰهُ) (d. 360 CE / 971 AH), organizes hadith alphabetically by the names of narrators. This structure aids scholars in studying the chain of narrators and the context of various narrations. It is available in English, Urdu, and Roman Urdu.