Black Freedom Struggle in the United States:

Message of the President of the United States, communicating, in compliance with the resolutions of the Senate of the 16th and 18th instants, correspondence between the executive department and the present Governor of Kansas, and between the executive and any governor or other officer of the government in Kansas, with any orders or instructions which may have been issued, together with other information relative to affairs in that territory.

Presidential message communicating correspondence between executive department and Kansas, 1857

Resolutions of the Legislature of Michigan respecting slavery.

Resolutions of legislature of Michigan on repeal of compromise measures; against extension of slavery into territory of United States; for abolition of slavery and slave trade in Territories and in District of Columbia; and instructing senators and representatives to procure passage of law to prohibit slavery in Kansas and Nebraska and repeal of fugitive slave law, 1855