SODE-MADSEN, Hans. Arkivar Karen Marie Olsen 21.11.1921 — 23.12.1977. Historisk Tidsskrift, [S. l.], v. 13, 1978. Disponível em: https://tidsskrift.dk/historisktidsskrift/article/view/52063. Acesso em: 6 dec. 2025.