L. Protasova, Olga, and Irina G. Pirozhkova. “Figures of Democratic Socialism in the First Quarter of the 20th Century: Socio-Demographic Characteristics”. International Journal of Psychosocial Rehabilitation 24, no. 3 (May 31, 2020): 3315–3326. Accessed May 10, 2025. https://psychosocial.com/PSY/index.php/ijpr/article/view/3542.