Routes to the Roots in Germany
- Routes to the Roots (RsRs) carries out research on German emigration to America and organizes heritage tours and fieldtrips to Germany and to the US.
- http://www.routes.de

Emigrants from Westphalia, Prussia
- Brief History of Emigration from a rural region ("Sauerland", Kreis Meschede and Kreis Olpe) in Germany to the USA, mainly in the 19th century. Surname list of emigrants. General hints to find the place of origin of your German ancestors. Geneal
- http://www.westphalia-emigration.de