Part of the PBS site, "The West," this link gives a general explanation of the Lewis and Clark expedition. Links to biographies.

This site from PBS provides a short description and map of "the Indian Territory set aside by the Indian Removal Act of 1830 and the areas designated for each tribe."

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

This site explains what perspective is in art and then outlines its historical development, from Brunelleschi's experiment to Alberti's Treatise, in the early Renaissance, followed by early examples of the use of perspective.

These hands-on activities are are a great way for students to gain perspective on the relative sizes and distances of each planet, the relationship between the sun and Earth, and much more.

These hands-on activities are are a great way for students to gain perspective on the relative sizes and distances of each planet, the relationship between the sun and Earth, and much more.

These hands-on activities are are a great way for students to gain perspective on the relative sizes and distances of each planet, the relationship between the sun and Earth, and much more.

A brief description of the role women played during World War One. Describes the changes undergone at this time for the role of women. A good overview of a unique perspective of world history.