The Tortilla Curtain Lesson Plan

http://www.history.com/topics/u-s-immigration-before-1965

Excellent historical information about immigration in the United States before 1965.

http://www.ushistory.org/us/38c.asp

Additional history resource for history of immigration in the United states.

http://www.immigrationpolicy.org/issues/history

A history of the way immigration policy in the United States has developed over the course of the nation's history.

http://ocp.hul.harvard.edu/immigration/timeline.html

Timeline of important events in immigration politics.

http://www.pbs.org/independentlens/newamericans

Excellent PBS series about new immigrants to the United States. Includes numerous...