Materials of the XLII All-Russian Scientific Conference of Students, Graduate Students and Young Scientists "Kurbatov Readings" (November 8-10, 2022). This year it was dedicated to the memory of Galina Evgenievna Lebedeva (1935-2021), the largest Soviet-Russian Byzantinist, student and successor of G. L. Kurbatov, professor of the Department of History of the Middle Ages, who headed the department for a quarter of a century (1990-2015).