11. Slaveholding a malum in se, or invariably sinful Collection: Samuel J. May Anti-Slavery Pamphlet Collection Publisher: Printed by Case, Tiffany & Co. Publication Place: Hartford [Conn.] Date: 1839 Format: Book
12. Views of colonization. Collection: Samuel J. May Anti-Slavery Pamphlet Collection Publisher: The American anti-slavery society Publication Place: New York, Date: 1839 Format: Book
14. Will of Justus Hartman of, freeing his slaves Collection: The Gail and Stephen Rudin Collection on Slavery in America Location: South Carolina Date: 1839 Format: Image
17. Two photographs - sketch of the first steam hammer and model of the first steam hammer Collection: Early 20th Century Engineering Lantern Slides Set: Transfer of skill Location: London, England Date: 1839 Format: Image Agent: unknown
19. American slavery as it is; testimony of a thousand witnesses. Collection: Samuel J. May Anti-Slavery Pamphlet Collection Publisher: American Anti-Slavery Society Publication Place: New York, Date: 1839 Format: Book
20. The chattel principle the abhorrence of Jesus Christ and the apostles; or, No refuge for American slavery in the New Testament Collection: Samuel J. May Anti-Slavery Pamphlet Collection Publisher: Published by The American Anti-Slavery Society, no. 143 Nassau Street Publication Place: New York: Date: 1839 Format: Book