The Emancipation Proclamation is the most important document of arguably the greatest president in U.S. history. Now, Edna Greene Medford, Frank J. Williams, and Harold Holzer -- eminent experts in their fields -- remember, analyze, and interpret the Emancipation Proclamation in three distinct respects: the influence of and impact upon African Americans; the legal, political, and military exigencies; and the role pictorial images played in establishing...