BURGTORF, J. In memoriam: Rudolf Hiestand (1933‒2023). Ordines Militares Colloquia Torunensia Historica. Yearbook for the Study of the Military Orders, [S. l.], v. 28, p. 269–278, 2023. DOI: 10.12775/OM.2023.009. Disponível em: https://apcz.umk.pl/OM/article/view/48142. Acesso em: 15 jul. 2024.