in present research, four of qajar prose works were initially selected as following: nasekh al-tavarikh of muhammad taghi lesan al-molk sepehr, masalek al-mohsenin of ‘abd al-rahim tabrizi, majma’ al-fosaha of reza gholi khan hedayat, and hezar-o-yek shab translated by ‘abd al-latif tasuji tabrizi. their most important writing and editing errors such as verbs, plural signs, words and structures...