Web guide to primary source materials on the Civil War and Reconstruction, 1860 - 1877 online at the Library of Congress, links to external sites, and a bibliography for further reading. Documents include:
Homestead Act (1862)
Pacific Railway Act (1862)
Morrill Act (1862)
Emancipation Proclamation (1863)
Gettysburg Address (1863)
13th Amendment to the Constitution (1865)
Abraham Lincoln's Second Inaugural Address (1865)
Treaty with Russia for the Purchase of Alaska (1867)
14th Amendment to the Constitution (1868)
15th Amendment to the Constitution (1870)