Carnegie, Dale, 1888-1955
Lincoln: the unknown/Dale Carnegie
New York :Dake Carnegie & associates, Inc. ,1999,
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Basler, Roy P.
Lincoln / Roy P. Basler
Evergreen Books Ltd, 1961
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Randall, J.G.
Lincoln the President : springfield to gettysburg, vol. II
Dodd, Mead & Company, 1946
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Herndon's life Lincoln : the history and personal recollections of Abraham Lincoln as originally written by William H. Herndonand and Jesse W. Weik. With a newly rev. introd. and by Paul M. Angle
Fawcett Publications, 1961
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Sandburg, Carl
Abraham Lincoln : the war years
Harcourt Brace, 1939
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