Praeger Publishers, pp. 9: "Though Denmark, where industrialization had begun in the 1850s, was reasonably prosperous by the end of the nineteenth century, both Sweden and Norway were terribly poor.
Praeger Publishers, pp. 9: "Sanayileşmenin 1850'lerde başladığı Danimarka her ne kadar on dokuzuncu yüzyılın sonunda zenginleşmiş olsa da, İsveç ve Norveç oldukça yoksuldu.