Selected Immigration Timelines
http://www.libertyellisfoundation.org/immigration-timeline
Harvard University Library Open Collections Program, “Aspiration, Acculturation, and Impact: Immigration to the United States, 1789-1930”
http://ocp.hul.harvard.edu/immigration/timeline.html
Library of Congress, Immigration: Teacher Resources
http://www.loc.gov/teachers/classroommaterials/presentationsandactivities/presentations/immigration/timeline.html
The Annenberg Classroom, “Immigration Timeline”
http://www.annenbergclassroom.org/files/documents/immigration.pdf
Pew Research Center, “Selected U.S. Immigration Legislation and Executive Actions, 1790-2014”
http://www.pewhispanic.org/2015/09/28/selected-u-s-immigration-legislation-and-executive-actions-1790-2014/