Europes Railway Network in 1840 and 1870 – Mapping Globalization

Eastern Europe – Mapping Globalization

Railways, Growth, and Industrialization in a Developing German Economy, 1829–1910, The Journal of Economic History

European integration and national models for railway networks (1840–2010) - ScienceDirect

Map of the impending war in Europe 1870 : showing railway connections &c.

European integration and national models for railway networks (1840–2010) - ScienceDirect

The Troubled Nineteenth Century – Modern World History

Railways in northern East Central Europe before, during and after the First World War

Great Game - Wikipedia

The Growth of Industry and Railways, 1848 to 1914 – Mapping Globalization

European integration and national models for railway networks (1840–2010) - ScienceDirect

U.S. History, Go West Young Man! Westward Expansion, 1840-1900, The Westward Spirit

Historical Map – Mapping Globalization