The points represent the capitals of 14 provinces, all located in the Kingdom of Prussia which in 1871 had been a driving force in founding of the German Empire. The polygons and state capitals of the German Empire are available as separate data sets on this server.
This data is hosted by Harvard, and is currently unavailable to preview and download. Stanford University does not hold this data and cannot provide access to it, at this time. If you have questions about this or other unavailable datasets from Harvard Map Collection please submit your feedback to email@example.com.