FOR MY UNDERSTANDING of this speech and its significance I owe a large debt to Garry Wills’s masterful book, Lincoln at Gettysburg: The Words That Remade America. Other books and websites that were useful are listed below.
Long, E. B., with Barbara Long. The Civil War Day by Day: An Almanac 1861–1865. Garden City, New York: Doubleday, 1971.
Ward, Geoffrey C. The Civil War: An Illustrated History. New York: Alfred A. Knopf, 1990.
Wheeler, Richard. Voices of the Civil War. New York: Penguin, 1976.
Wills, Garry. Lincoln at Gettysburg: The Words That Remade America. New York: Simon & Schuster, 1992.
Library of Congress—Gettysburg Address Exhibition
http://www.loc.gov/exhibits/gadd
America’s Story from America’s Library: Jump Back in Time
http://www.americaslibrary.gov
Library of Congress Historical Documents—The Declaration of Independence
http://www.memory.loc.gov/const/declar.html
Abraham Lincoln Online
Lincoln-Douglas Debates on History Channel Online