For information about Harriet Tubman's Life:
http://www.nyhistory.com/harriettubman/life.htm
http://www.incwell.com/Biographies/Tubman.html
http://www.pbs.org/wgbh/aia/part4/4p1535.html
A class project with links to many good Tubman sites http://www2.lhric.org/pocantico/tubman/tubman.html
National Geographic: The Underground Railroad http://www.nationalgeographic.com/features/99/railroad/
Don't forget that there are books
in the library, as well as information in reference books.