Olufsen, Ole. “The Teaching- of Geography in Elementary Schools by Richard Elwood Dodge and Clara, Barbara Kirehwey. Me. Nally and Co. Chicago, New- York 1913”. Geografisk Tidsskrift 22 (januar 1, 1914). Set december 7, 2025. https://tidsskrift.dk/geografisktidsskrift/article/view/46859.