Dictionary of the Russian language XI-XVII centuries: Results of the forty-five-year edition

The author demonstrates the forty-five-year development process of the Dictionary of the Russian Language of the 11th-17th Centuries (DRL 11-17). With the revision of the original concept and the implementation of the various scientific researchers taking into account the latest scientific achievements, this publication has become a fundamental contemporary academic dictionary. The author gives her own observation results concerning the lexicographic improvement of the DRL 11-17.