HENNINGS, P. Generalmajor Ivar Christian Lassons Autografi. Personalhistorisk Tidsskrift, [S. l.], v. 46, n. 8_4_2, p. 175–179, 1925. Disponível em: https://tidsskrift.dk/personalhistorisk_tidsskrift/article/view/79341. Acesso em: 5 dec. 2024.