Chupryna Yulia A. «The idea of Old Rus’ in the historical narratives of the final third of the 17th century: East Slavic intellectuals seeking collective» // Rusin 2025. №82 C.76-90
Ivanova Nataliya P. «The structure of the Old Russian Easter (flexible) calendar (based on the database "Chronology of the Novgorod Chronicles of the 9th-15th Centuries")» // Tomsk State University Journal 2017. №418 C.91-100
