Olufsen, O. (1914) “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. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/46859 (Set: 7 december 2025).