Al-Mu'jam al-Awsat and Its Distinctive Purpose

Al-Mu'jam al-Awsat (The Medium Dictionary) by Sulayman ibn Ahmad at-Tabarani is the second of his three mu'jam collections, composed to serve a scholarly purpose distinct from both al-Mu'jam al-Kabir and al-Mu'jam as-Saghir. While al-Mu'jam al-Kabir organizes hadiths by the Companion from whom they are transmitted, al-Mu'jam al-Awsat is organized by the name of at-Tabarani's own teachers (shuyukh) — the scholars from whom he directly received the hadiths. Under each teacher's entry, at-Tabarani recorded hadiths that he uniquely received from that teacher or that that teacher was the only person to transmit through a particular chain.

This organizational principle gives al-Mu'jam al-Awsat a distinctive character. It is a record of at-Tabarani's unique transmissions — the hadiths that come through chains for which he is the sole known transmitter at some level, or which he received through chains not available from other collectors. This makes it a particularly valuable source for hadiths otherwise unattested or only weakly attested in the broader literature.

At-Tabarani explicitly stated that al-Mu'jam al-Awsat contains the most unique (gharib) narrations in his collection — narrations where the chain of transmission is unusual, rare, or found only through this particular route. This self-characterization is significant: it means that al-Mu'jam al-Awsat, more than the other mu'jams, requires careful chain analysis before its narrations are accepted, since unique transmission is a marker that warrants closer scrutiny.

The collection contains approximately 10,000 hadiths covering the full range of Islamic religious topics. At-Tabarani composed it as a scholarly resource for hadith specialists rather than as a general-use collection, and it has been used primarily by advanced researchers rather than as a primary teaching text. Its value lies in preserving the unique transmission chains that at-Tabarani collected through his extraordinary lifetime of scholarship. The sheer scope of at-Tabarani's personal scholarly network — spanning scholars from Spain to Central Asia encountered over seven decades of active travel — made his unique transmissions genuinely irreplaceable: had he not collected and preserved them, entire chains of narration would have been lost to the historical record. Al-Mu'jam al-Awsat thus represents not only a remarkable personal achievement but a service to the preservation of the Islamic religious heritage that no subsequent scholar could have replicated.