23. Isaac Gansey case. (Virginia and New York controversy.)
1839. Controversy between Virginia and New York over extradition of three negroes demanded by Virginia for aiding a slave to escape: U. S. Gazette, "Case of Isaac," Judge Hopkinson's Speech; Wilson, Rise and Fall of the Slave Power, I, 474; Seward, Works, II, 449-518; Von Holst, Constitutional History, II, 538-540: Senate Documents, 27 Cong., 2 Sess., Vol. II, Doc. 96; McDougall, Fugitive Slaves, 41.
24. Granville (Ohio) rescue case.
1841. Discharge of fugitive, John, after a hearing obtained through a writ of habeas corpus; followed by the departure of the negro over an underground route: Bushnell, History of Granville, Licking County, Ohio, 307, 308.
25. Burr, Work and Thompson case.
1841. Prosecution for aiding fugitive slaves in western Illinois: Wilson, Rise and Fall of the Slave Power, II, 71; Goodell, Slavery and Anti-Slavery, 440; Thompson, Prison Life and Reflections; Asbury, History of Quincy, Illinois, 74.
26. Van Zandt case. (Jones vs. Van Zandt.)
1842-1847. Prosecution for aiding runaways in southwestern Ohio; 5 Howard's Reports, 215; Letter of N. L. Van Sandt, Clarinda, Iowa; Wilson, Rise and Fall of the Slave Power, I, 475, 476; Cobb, Historical Sketches of Slavery, 207; 2 McLean's Reports, 612; Schuckers, Life and Public Services of S. P. Chase, 53-66; Warden, Private Life and Public Services of S. P. Chase, 296.
27. Prigg case. (Prigg vs. the Commonwealth of Pennsylvania.)