KOTOUČOVÁ, A. The activity of Count Karl Ludwig von Ficquelmont in the Russian Empire, with a focus on his St. Petersburg salon. Theatrum historiae, [S. l.], n. 30, p. 7–26, 2022. DOI: 10.46585/th.2022.30.01. Disponível em: https://theatrum.upce.cz/index.php/theatrum/article/view/2409. Acesso em: 20 apr. 2024.