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• Continuation of the review of "Nott and Gliddon's types of mankind" Author(s): Bachman, John, 1790-1874 Date: 1855 Subject(s): Nott, Josiah Clark, 1804-1873.; Gliddon, George R. (George Robins), 1809-1857.; Continental Population Groups - history; Natural History

• The doctrine of the unity of the human race examined on the principles of science Author(s): Bachman, John, 1790-1874; Ravenel, Henry William, 1814-1887, former owner Date: 1850 Subject(s): Biological Evolution; Continental Population Groups; Religion and Science

• Letter to the Rev. John Bachman, D.D., on the question of hybridity in animals: considered in reference to the unity of the human species Author(s): Morton, Samuel George, 1799-1851; Bachman, John, 1790-1874 Date: 1850 Subject(s): Chimera; Religion and Science