Olufsen, Ole. “Geography of France. By Raoul Blanchard, Prof, of Geography and MiHi Cent Todd, Lecturer in Geography, University of Grenoble, Chicago and New York: Rand McNally and Co. 1919”. Geografisk Tidsskrift, bd. 26, januar 1922, https://tidsskrift.dk/geografisktidsskrift/article/view/47206.