Foreign Soldiers:
- http://wesclark.com/jw/foreign_soldiers.html
- http://en.wikipedia.org/wiki/Foreign_enlistment_in_the_American_Civil_War
- http://www.factasy.com/civil_war/2008/03/09/foreign_soldiers_american_civil_war
- http://www.civilwarhome.com/europeandcivilwar.htm
Irish Brigade: