Najashi's General Method in Fihrist

Ahmad bn Ali bn Ahmad bn Abbas Najashi proficient at rijal science and the author of the first and most important Shiite rijal work namely Fihrist Asmai Musannaf al-Shiah (or al-Najashi's rijal). Although the author's aim was to list Shiite works and books, however there are useful information about the compilers of books, their classes, their race and genealogies and finally their academic status and authenticity of their works.Studying and evaluating the method used by Najashi, the author of this paper tries to display his efforts in providing general information about compilers and his method in presenting them.