The Transylvanian Saxon Johann Lebel writes in 1542 that "Vlachi" se numeau între ei "Romuini"[REF] and the Polish chronicler Stanislaw Orzechowski (Orichovius) notes in 1554 that în limba lor "walachii" se numesc "romini " (In their language the Wallachians call themselves Romini) [REF].
Nevertheless, the oldest extant document written in Romanian remains Neacșu's letter (1521) and was written using Cyrillic letters (which remained in use up until the late 19th century).