Analogous analysis of Tārikh-e Beihaqi's letters with letters of Atebbatol katebbeh and Attavassol elattarassol

The purpose of this article is the analysis of the homogeneous letters of the three books on the tārikh-e Beihaghi, Atebbatol katebbeh and Attavassol elattarassol, is the same as the construction of the content. The basic issue of this paper is how the texts of the letters of the court of the era of the authors of these three books are structurally and conceptually networking. In this regard, the body of the article after the income based on a brief introduction of these three works and the recognition of the history of the research, carried out on this topic, compares the existing letters in the Tārikh-e Beihaghi with Atebbatol katebbeh and Attavassol elattarassol. The most important points that have been addressed in this review are: the style review of the Tārikh Beyhaghi's letters with two other books, letter types in form and structure, initial review and thesis and content of the letters. The final section of the article is a graph of the percentage of the letters and its types in three articles. In the end, the result is that Beihaghi's letters despite the remarkable simplicity of writing in relation to the letters of the other two books are more pleasing, more rhetorical, more persuasive and more beautiful which the writers found to be the only reason for Beihaghi's easy access to text writing. In the present study, the data are collected through library research and the researchers used analytical and descriptive method of data analysis