OSSOWSKI, M. Der Briefwechsel. Willy Brandt und Günter Grass, hg. v. Martin Kölbel, Steidl Verlag, Göttingen 2013, 1230 S. Studia Germanica Gedanensia, [S. l.], n. 30, p. 276–278, 2014. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/SGG/article/view/1475. Acesso em: 30 wrz. 2022.