However, this work still stands as the most valuable research in this field. Besides this work, some others deserve special mention such as 'Abd al-Zahra' al-Husayni al-Khatib's Masadir Nahjul Balaghah, Hibat al-Din al-Shahristani's Ma huwa Nahjul Balaghah, Sayyid 'Ali al-Naqawi al-Nasirabadi's introduction to the Urdu translation of Nahjul Balaghah by Mufti Ja'far Husayn, and al-Mu'jam al-mufahras li alfaz Nahjul Balaghah, a joint work of al-Sayyid Kazim al-Muhammadi and al-Shaykh Muhammad Dashti. Sayyid Muhammad 'Askari Ja'fari and Sayyid 'Ali Rida also dealt with the issue of basic sources of Nahjul Balaghah in their prefaces to their separate translations of the book into English. Here follows with some minor corrections and additions of 'Arshi's list of the early sources containing the utterances and writings of Ali (as)