Thorvaldsen, Gunnar, and Elena Glavatskaya. “The Three Main Western Revolutions and Their Censuses”. Quaestio Rossica 5, no. 4 (December 23, 2017): 992–1008. Accessed December 11, 2023. https://qr.urfu.ru/ojs/index.php/qr/article/view/263.