4
After the American Civil War
3
David Livingstone
4
An Introduction to the History of the United States of America
4
Famous Americans: Abraham Lincoln
3
Sacagawea
4
Chip's Tips on Nigeria
4
Chip's Tips on Ghana
4
Famous Americans: Benjamin Franklin
4
The Pygmy People
4
Chip's Tips on United States
3
Simon Bolivar
4
The White House
3
Harriet Tubman
4
The American Civil War
4
From the American Revolution to the Civil War