Missouri State University
Missouri State University: Market Structure: Oligopoly
A good outline of course study on the topics of monopolistic competition, oligopoly, and anti-trust legislation.
US Capitol Visitor Center
U.s. Capitol Visitor Center: 1820 1861: Holding the Union Together
American history from 1820-1861 is interwoven with the history of the Capitol as it was expanded to accommodate a growing government body. A timeline of significant events in the debates over slavery, the addition of free and slave...
Curated OER
Etc: Oregon Trail and Other Routes, 1832 1842
A map of western North America between the opening of the Oregon Trail in 1832 to 1842, prior to the establishment of the Provisional Government of Oregon by American settlers in 1843. The map shows the boundary of the Oregon Country,...