PORSHNEVA, Olga. Florence Harper: Witness to the Russian Revolution of 1917. Journal of Russian American Studies, [S. l.], v. 2, n. 2, 2018. DOI: 10.17161/jras.v2i2.8232. Disponível em: https://journals.ku.edu/jras/article/view/8232. Acesso em: 14 nov. 2025.