Sources:
Webpage: Harriet Tubman
http://inventors.about.com/sitesearch.htm?q=harriet+tubman&SUName=inventors
Webpage: Harriet Tubman http://www.ducksters.com/biography/women_leaders/harriet_tubman.phpWebpage: Americaslibrary.gov page on Harriet Tubman’s Youth http://www.americaslibrary.gov/aa/tubman/aa_tubman_youth_1.html
Webpage: National Underground Railroad Freedom Center, The Solomon Northup Tour http://freedomcenter.org/voice/solomon-northup-tour
Webpage: Solomon Northup. Biography
http://www.biography.com/people/solomon-northup-21333433?page=2
Webpage: New York History Net
http://www.nyhistory.com/harriettubman/life.htm
Webpage: Harriet Tubman. Biography
http://www.biography.com/people/harriet-tubman-9511430
Webpage: Harriet Tubman Guide
http://www.loc.gov/search/?q=harriettubman+guide
Webpage: Harriet Tubman quotes http://www.brainyquote.com/quotes/authors/h/harriet_tubman.html
http://inventors.about.com/sitesearch.htm?q=harriet+tubman&SUName=inventors
Webpage: Harriet Tubman http://www.ducksters.com/biography/women_leaders/harriet_tubman.phpWebpage: Americaslibrary.gov page on Harriet Tubman’s Youth http://www.americaslibrary.gov/aa/tubman/aa_tubman_youth_1.html
Webpage: National Underground Railroad Freedom Center, The Solomon Northup Tour http://freedomcenter.org/voice/solomon-northup-tour
Webpage: Solomon Northup. Biography
http://www.biography.com/people/solomon-northup-21333433?page=2
Webpage: New York History Net
http://www.nyhistory.com/harriettubman/life.htm
Webpage: Harriet Tubman. Biography
http://www.biography.com/people/harriet-tubman-9511430
Webpage: Harriet Tubman Guide
http://www.loc.gov/search/?q=harriettubman+guide
Webpage: Harriet Tubman quotes http://www.brainyquote.com/quotes/authors/h/harriet_tubman.html