Serkova, V. ’Philosophical Origins of A.S. Lappo-Danilevsky’s Methodology of History’. Zhurnal Sotsiologii I Sotsialnoy Antropologii (The Journal of Sociology and Social Anthropology), Vol. 22, no. 5, pp. 213-22, doi:https://doi.org/10.31119/jssa.2019.22.5.13.