The publication is a collection of scientific works of the medievalist historian Renat Meuletovich Aseinov (1982-2015), a specialist in the history of Burgundy of the 15th century. and the court of the Dukes of Burgundy. The book examines various aspects of the political, social and cultural life of Burgundian society. The main attention is paid to historical thought formed by the court chroniclers of the dukes and other historiographers (Georges Chatelain, Jean Molineux, Olivier de La Marsh, Jacques du Clercq). The ideas about the image and power of the sovereign, his relationship with courtiers and representatives of subject territories, the ratio of royal and ducal power, the struggle of court groups for spheres of influence, etc. are analyzed.