The Compass
- References immigration information with an emphasis on passenger lists, ships, and emigrant databases.
- http://www.immigrantships.net/newcompass/pcindex.html

Cyndi's List
- List of links for immigration and naturalization information.
- http://www.cyndislist.com/immigrat.htm

Chris Gaunt's Passenger Lists
- Annotated list of links on researching passenger lists. Information about commercial sites which will research passenger lists, archives, individual ships, arrivals to various countries, and disasters.
- http://www-personal.umich.edu/~cgaunt/pass.html