Abstract: (Normative books of Romanian, written in Latin. The last orthographic system belonging to “Școala Ardeleană” (The Transylvanian School)) Begun in the second half of the XVIIIth century, through the contribution of the Transylvanian scholars, the process of modernisation and westernisation of Romanian is continued in the first part of the XIXth century. The borrowings from Latin and the Romance languages, as well as giving up Slavonic as the language of the church, raises the question of reforming the writing system – replacing the Cyrillic alphabet with the Latin alphabet. In less than five decades, Samuil Micu, Gh. Șincai, Șt. Crișan (Körösi), I. Budai-Deleanu, Petru Maior and Ioan Alexi elaborated eight Romanian orthographical systems with the Latin alphabet. Through the means of the new way of writing, they wanted to highlight the Latin origin of Romanian and to offer an efficient instrument of communication, with two great advantages: the easier access to the written western culture for Romanians and the western readers’ access to the Romanian texts. The current article’s purpose is to analyse the orthographic system of the last scholar belonging to The Transylvanian School, the bishop Ioan Alexi. Based on the orthographic system elaborated by Petru Maior, I. Alexi actually makes a synthesis of the Transylvanian philologists’ conception regarding the Romanian language written with Latin alphabet. Like his predecessors, he practices a moderate etymology, because, with just a few exceptions, the phonemes which are common to Romanian and atin are written and pronounced like in the initial language. Yet, the writing of the phonemes [ , [ , [ , [ , [ș , [ț , [j , [z and of the diphthongs [ea , [oa proved to be the real challenge. Its solving shows the author’s conception regarding the relation between Romanian and atin and the other Romance languages.