The correction of miswritings and the rectification of misspellings = Taṣḥīḥ al-taṣḥīf wa-taḥrīr al-taḥrīf - Ṣafadī, Khalīl ibn Aybak, ca.; Institut für Geschichte der Arabisch-Islamischen Wissenschaften (Frankfurt am Main, Germany) (Publications of the Institute for the History of Arabic-Islamic Science / edited by Fuat Sezgin, 1985)