In honor of Darwin's 200th birthday and the 150th anniversary of the publication of "The Origin of the Species," Cornell has put together an extensive collection of Darwin's work during the last two decades of his life.

A quick guide to help you determine the relevance and authority of a resource.

This resource offers a few suggestions to get you started with the research process.

A brief look at how slavery in America was tied to the crops grown in the South. See how the need for skilled workers was decreased and the use of unskilled slaves increased with the introduction of the cotton gin.

Read the text of the 13th Amendment, adopted in January, 1865, even before the end of the Civil War, which ended slavery in the United States. Click on the image to see a larger picture of the document itself.

Site provides information on the National Climatic Data Center's Regional Climate Centers Program. Click a region on the map of the United States and find information about that region's climate!