1. Lavrentieva E. Everyday life of the nobility of the Pushkin era (Etiquette, Moscow 2007)
2. Samusenko L.D., Mamaev A.V., Konovalov K.V., Earth science IOP Conf. Series: Earth and Environmental Sci. Qualitative Characteristics of Mutton Obtained from Animals with Different Bioenergy Profile 720 (2021)