ملخص الدراسة:

Care that the leg acy of the Arab nation and the media Arab –IsLamic thought of the most important historical Studies Led to the research and Study of historiant because they contain With in them a lot of historical in formation on the nation to civilization in order to revive it the united civilized Whatever Civilization rose from him be sure to scholars and thinlsers in our history the Arab-muslim Personalities Scientific mission contributed to the Progress of the Arabs and Muslims other nations and PeoPles . Must disclose this material and its role in building a Civilizaion and ParticiPate instructive to think a bout the ProsPerity of the Arab Science and other Know ledge at the time .shirazi is a limit of Prominent historians of lslam writ many Valuable books ,and he Wrot in the introduction of classes in the books,and men ,ajurist ,historian and man of letters .in this books he Wanted to Know shirazi juris Prudence Scholars Who Preceded him ,and the Statement of their Situation, and definition of their status With the Said books . so that the book (Scholars layers)of the Shirazi of important books and media Value to address the Scholars of the Period dealt With the importance of research and his book and Prestige of Scientific method and the elements of the translation.