THE UNDERGROUND RAILROAD

The 20 sources are:
1. Photograph of abolitionist William Jackson and his family: their home was a station on the Underground Railroad in Newton, Massachusetts (1846)
2. Broadside offering a $200 reward for escaped slaves (1847)
3. Lithograph titled Effects of the Fugitive-Slave-Law depicts four black men ambushed in a cornfield by a posse of armed white men (1850)
4. Lithograph titled The Resurrection of Henry Box Brown at Philadelphia: Brown was a slave who escaped by being mailed from Virginia to Philadelphia in a wooden crate (1850)
5. Poster advising African Americans in Boston to watch out for policemen acting as slave catchers (1851)
6. Title page of antislavery novel Uncle Tom’s Cabin by Harriet Beecher Stowe (1852)
7. Portrait of fugitive slave Anthony Burns: his arrest and trial under the Fugitive Slave Act of 1850 started riots and protests in Boston (1854)
8. Photograph of John Brown (1859 photo)
9. Lyrics for "Song of the Free," which describes a slave fleeing to Canada; sung to the tune of "Oh! Susanna" (circa 1860)
10. Map of the United States in 1861, showing the divide between the Northern and Southern states
11. Painting titled A Ride for Liberty—The Fugitive Slaves, by Eastman Johnson (1862)
12. Photograph of Harriet Tubman, conductor on the Underground Railroad who helped free more than 70 people from slavery (circa 1870)
13. Excerpt from book written by free-born African American abolitionist William Still, The Underground Rail Road (1872)
14. Excerpt from autobiography of abolitionist Levi Coffin, Reminiscences of Levi Coffin (1876)
15. Photograph of abolitionist Frederick Douglass (circa 1879)
16. Painting titled The Underground Railroad by Charles T. Webber (1893)
17. Photograph taken inside abolitionist John Rankin’s house in Ohio, an important station on the Underground Railroad: shows steps leading down to the shoreline of the Ohio River (photo taken 2005)
18. Photograph of the Underground Railroad Monument in Windsor, Canada, the ultimate destination for many runaway slaves (2005)
19. Photograph of Erastus Farnham House near Fremont, Indiana, a stop on the Underground Railroad; its cupola served as a lookout point (2006)
20. Photograph of Indiana home of abolitionist Levi Coffin, a house often called the "Grand Central Station of the Underground Railroad" (2012)