Schou, Axel. “Erwin Raisz: General Carlography. 2. Udg. McGraw-Hill Book Comp. New York 1948. 18X25 Cm, 354 Sider, 299 Fig”. Geografisk Tidsskrift - Danish Journal of Geography, vol. 49, Jan. 1949, https://tidsskrift.dk/geografisktidsskrift/article/view/48437.