Abraham Lincoln: A History. By John G. Nicolay and John Hay. In ten volumes. New York: The Century Co., 1890. First edition.
A Short Life of Abraham Lincoln. Condensed from Nicolay and Hay's Abraham Lincoln: A History. By John G. Nicolay. New York: The Century Co., 1906.
Personal Traits of Abraham Lincoln. By Helen Nicolay. New York: The Century Company, 1912.
Abraham Lincoln. By John T. Morse, Jr. In two volumes. American Statesman Series. Boston and New York: Houghton Mifflin & Co., 1893. In many respects the best short life of Lincoln.
The Early Life of Abraham Lincoln. Containing many unpublished documents and unpublished reminiscences of Lincoln's early friends. By Ida M. Tarbell, assisted by J. McCan Davis. New York: S. S. McClure Co., Limited, 1896.
The Life of Abraham Lincoln. Drawn from original sources. By Ida M. Tarbell. Two volumes. New York: The Doubleday & McClure Co., 1900.
Abraham Lincoln. An Essay. By Carl Schurz. Boston and New York: Houghton Mifflin & Co., 1891.
Lincoln the Leader: and Genius for Expression. By Richard Watson Gilder. Boston and New York: Houghton Mifflin & Co., 1909.
Abraham Lincoln: The People's Leader in the Struggle for National Existence. By George Haven Putnam, Litt.D. New York and London: G. P. Putnam's Sons, 1909.
Lincoln, Master of Men: A Study in Character. By Alonzo Rothchild. Boston and New York: Houghton Mifflin Co., 1906.