Channing, W. E. (1861). Tribute of William Ellery Channing to the American abolitionists: For their vindication of freedom of speech. New York: American Anti-slavery Society.

Channing, William Ellery. Tribute of William Ellery Channing to the American Abolitionists: For Their Vindication of Freedom of Speech. New York: American Anti-slavery Society, 1861.

Channing, William Ellery. Tribute of William Ellery Channing to the American Abolitionists: For Their Vindication of Freedom of Speech. New York: American Anti-slavery Society, 1861.