The Encyclopedia of the Word of the Martyr Sayyid Hasan al-Husayni al-Shirazi is considered the largest encyclopedia of hadith and narration. It includes among its branches the hadiths of Qudsi, the hadiths of the Messenger (may God bless him and his family and grant him peace), the narrations of the imams and Mrs. al-Zahra (peace be upon them), and the sayings of Mrs. Zainab (peace be upon her), the prophets, the wise and the companions.