Jonathan Cable sources
1.   "The Stark County Story Vol. IV, Part III"
2.   U.S. Ceramics history brochure
3.   History of Jonathan Cable submitted to Stark County Library, which appears to be filed with the Library of Congress. This history was based upon research, notes of Mrs. Mary Cable Henry of Steubenville, OH and the Cable files of Mrs. Hazel Kable Zimmerman of Mt. Morris, Illinois.
4.   Broderbund World Family Tree, Volume #3, Tree #6450
5.   Green Lawn Cemetery headstone
6.   "The Stark County Story" Volume I, by E.T. Heald
7.   "History of Stark County", Edited by William Henry Perrin, 1881, Baskin and Batley, Historical Publishers, 186 Dearborn Street, Chicago
8.   Research by Mrs. Vance Wible MacGregor, 1963
9.   Research of Judith Burkhardt, jburkhardt@adamswells.com, 1998
19.  Death certificate of Silas Cable

Note:
According to Judith Burkhardt, Jonathan Cable signed his deed. She said that this was unusual back then because many people could not write and would sign documents with an 'X'.