Olufsen, O. (1922) “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, 26. Tilgængelig hos: https://tidsskrift.dk/geografisktidsskrift/article/view/47206 (Set: 6 december 2025).