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Source: http://en.wikipedia.org/wiki/File:Census-2000-Data-Top-US-Ancestries-by-County.svg (Access: 22.02.11).
Migration from Germany to the USA in the 19th century – the situation in the USA
Authors:
- Bärbel Kuhn
- Klaus-Michael Guse
- Sahra Homrighausen
- Uta Fenske
- Volker Heck
Siegen University
This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 Generic License.
