The collection (issue 2 was published in 1982) consists of articles on topical issues of the Old Russian literary language. The works are based on original material, reflect the current level of development of problems of historical linguistics. Several modern hypotheses are analyzed (primarily the "diglossia theory"), which are discussed from the point of view of the real development of the Old Russian language. Various aspects of the Old Russian language are considered in relation to the style and style of Old Russian texts. For students, graduate students, teachers studying or teaching the history of the Russian literary language, and everyone who is interested in the problems of the Old Russian language and the history of culture. Ancient Russia.