Some online material on diaspora and migration:

A good overview of the term "diaspora"

Rethinking the concept of diaspora: mobility, connectivity and communication in a globalised world

http:// www.wmin.ac.uk/mad/pdf/Tsagarousianou.pdf

Wikipedia:

(good for list of diasporas and for links to diaspora studies)
http://en.wikipedia.org/wiki/Diaspora

immigration
http://en.wikipedia.org/wiki/ Immigration

(also look up forced migration, population transfer, etc.)

United Nations Reports

THE REALIZATION OF ECONOMIC, SOCIAL AND CULTURAL RIGHTS

http:// www.unhchr.ch/huridocda/huridoca.nsf/ 0/683f547c28ac785880256766004ecdef?OpenDocument

Freedom of Movement
http://www.unhchr.ch/huridocda/huridoca.nsf/ (Symbol)/E.CN.4.Sub.2.1997.23.En?OpenDocument

Journal Migration
http://www.emz- berlin.de/migratio/migratio.htm

Migration and culture course student presentations: comparative policies:
http://www.west.asu.edu/Koptiuch/Mig2006/kk_home/ posters_home.html

Other courses:
http:// www.west.asu.edu/Koptiuch/MigCultWeb2006/index.html
Immigration Law documents (Canada)
http:// www.fedpubs.com/subject/immig_law.htm

Blog on migration
Forced migration site--blog good--some video
Forced Migration magazine
Migration Information...
Dev-Zone