'''Patrology''' is a branch of [[Theologytheology]], who which deals with the study of works and teachings of [[Church Fathers]] and the ecclesiastical writers in general, from the foundation of [[Church]] until the end of Byzantine period. It covers not only Greek, but also Latin ''corpora'' (, usually of the first centuries). More specifically, apart from the content of teaching of fathersthe Fathers, patrology examines also the genuineness or not of their work, the influences they accepted , as well as the sources that they used.