The North Frisian Emigrant-Archive
Wuerttemberg emigration database provided by Haupstaatsarchive Stuttgart
Deutsche Auswanderer-Datenbank, Historisches Museum Bremerhaven/Deutschland
Emigrant register Finland
Norwegian Historical Data Centre
The Swedish Census 1890 UMEA
Swedish Census 1870, 1880, 1890 and 1900 ARKION
Forschungsstelle Deutsche Auswanderer in den USA
Migration Research Network
The Canadian Census project
North Atlantic Population Project
Canadian Families Project
Integrated Public Use Microdata Series (IPUMS)