Users can browse the collection chronologically or search by keyword.
The site also includes two special presentations featuring original documents and images on the Emancipation Proclamation and Lincoln's assassination. The Smithsonian Institution's National Museum of American History provides this online exhibit, a look at one of the more unsavory aspects of American history. The exhibit can be viewed via a floor plan or a series of navigational toolbars at the bottom of the screen. The content and the design of the exhibit are fascinating. Each section is introduced by large images from the actual exhibit.