BREZZO, Liliana M. “Mis dos patrias”: de Rusia al Paraguay. las cartas de Rodolfo Ritter a Juan Emiliano O’Leary (1919 – 1929). ESTUDIOS PARAGUAYOS , [S. l.], v. 38, n. 2, p. 225–254, 2020. DOI: 10.47133/38208. Disponível em: https://epy.dreamhosters.com/index.php/RESPY/article/view/22. Acesso em: 13 sep. 2024.