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Wikipedia
Narratives of the Sufferings of Lewis and Milton Clarke (1854)
Lewis Clarke: The Slave Diet
Lewis Clarke's Autobiography, Emancipator and Republican (Boston), May 21, 1845, 13
Lewis Clarke at First Freewill Baptist Church, Emancipator and Republican (Boston), June 18, 1845, 29
Lewis Clarke of Kentucky, Emancipator and Republican (Boston), Aug. 13, 1845, 62
Anti-Slavery Convention at Framingham, Emancipator and Republican (Boston), May 6, 1846, 214
Lewis Clarke, Cleveland Plain Dealer, Sept. 10, 1847, 2
Anti-Slavery Anniversary at Island Grove, Abington, Boston Traveler, Aug. 1, 1859, 2
The Story of George Harris, New York Tribune, July 22, 1870, 4
Uncle Tom's Cabin,New York Tribune, July 22, 1870, 2
Uncle Tom's Cabin: Some Account of George Harris, Cincinnati Commercial Tribune, July 24, 1870, 2
Originals of Some of the Characters in "Uncle Tom's Cabin," Lowell Daily Citizen and News (MA), July 23, 1870, 2
The Present Whereabouts of the Characters of "Uncle Tom's Cabin," St. Albans Messenger (VT), Aug. 5, 1870, 1
"Uncle Tom's Cabin:" How it Came to be Written, Daily Commercial (Vicksburg, MS), Oct. 1, 1881, 7
A Notible Individual, Daily Register (Rockford, IL), Aug. 15, 1883, 3
Uncle Tom's Cabin: How it Came to be Written, Saturday Pioneer (Aberdeen, SD), Jan. 10, 1884, 8
Lewis George Clarke, The Original George Harris of Mrs. Stowe's Novel, Omaha Daily Herald, Feb. 26, 1888, 7
The Original Uncle Tom, Boston Herald, May 19, 1891, 2
Uncle Tom: Original of the Famous Character in the Novel, Boston Journal, Dec. 12 28, 1891, 5
Uncle Tom's Cabin: Something About the Real Hero of the Famous Book, Morning Star (Rockford, IL), April 26, 1892, 6
Uncle Tom's Cabin: A Kentucky Octoroon Talks About the Author of the Book, Cleveland Plain Dealer, July 6, 1893, 3
Uncle Tom's Cabin, Charleston News and Courier, July 5, 1896, 2