MROZEWICZ, Bolesław. Vanha Marski – der finnische Mythos vom Marschall C.G. Folia Scandinavica Posnaniensia, [S. l.], v. 7, p. 173–194, 2007. Disponível em: https://pressto.amu.edu.pl/index.php/fsp/article/view/10673. Acesso em: 24 apr. 2024.