Italian Resources
Italian State Archives
German Resources
Archion
Matricula
FamilySearch
Meyers Gazetteer
Kartenmeister
Bremen Passenger Lists
Now topping 738,000 entries, this database mostly covers 1920 to 1939, but some records are earlier. This site isn’t much to look at, but its search and browse options are powerful; you can even view by hometown.
CompGen.de
A little German will help you make the most of this deep site from Germany’s largest genealogy group, packed with family trees, digital documents and research how-to’s.
Archives Library Information Center (NARA)
French Resources
France Online Genealogy Records
Scandinavian Resources
Scandinavian Genealogy Cheat Sheet