Slavery: letters and speeches,

by Mann, Horace, 1796-1859
Published 1851

Slavery in the United States : its evils, alleviations and remedies

by Peabody, Ephraim, 1807-1856, Peabody, Ephraim, 1807-1856
Published 1851

The gospel applied to the fugitive slave law : a sermon preached to the Third Congregational Society of Hingham, on Sunday, March 2, 1851 /

by Stearns, Oliver, 1807-1885, Stearns, Oliver, 1807-1885
Published 1851