The Miniature Emancipation Proclamation was the first book edition of the declaration that freed American slaves. As many as 1 million of the miniature books were distributed to Union soldiers during the Civil War, and only a few copies remain.
As the Emancipation Proclamation is celebrated in many parts of the United States on June 19, or "Juneteenth," the Miniature Emancipation Proclamation is on display in an exhibition at the Grolier Club in New York.
Andrea Seabrook interviews Harold Holzer, author and historian.
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