JIRÁNEK, T. The Activity of Col. GS Oldřich Španiel in the USA in 1939–1941. Theatrum historiae, [S. l.], n. 15, p. 271–295, 2015. Disponível em: https://theatrum.upce.cz/index.php/theatrum/article/view/2078. Acesso em: 7 may. 2024.