KÄLVEMARK, Ann-Sofie; SKARD, Sigmund. Halvdan Koht & Lars Åhnebrink. American Studies in Scandinavia, [S. l.], v. 1, n. 1, p. 25–26, 1968. DOI: 10.22439/asca.v1i1.1032. Disponível em: https://rauli.cbs.dk/index.php/assc/article/view/1032. Acesso em: 11 jan. 2026.