GUTTESEN, R. I. Rønne Kejlbo: Rare Globes, a cultural-historical exposition of selected terrestrial and celestial globes made before 1859 - especially connected with Denmark. Geografisk Tidsskrift, [S. l.], v. 96, 1996. Disponível em: https://tidsskrift.dk/geografisktidsskrift/article/view/42021. Acesso em: 30 apr. 2024.