“A Nation Now Extinct,” American Indian Origin Theories as of 1820: Samuel L. Mitchill, Martin Harris, and the New York Theory Bennett, Richard E.. "“A Nation Now Extinct,” American Indian Origin Theories as of 1820: Samuel L. Mitchill, Martin Harris, and the New York Theory." Journal of the Book of Mormon and Other Restoration Scripture 20, no. 2 (2011): 30-51.
KnoWhy #207 - Why Did Jesus Say That There Were “Other Sheep” Who Would Hear His Voice? (3 Nephi 15:21; cf. John 10:16) KnoWhy #207 - Why Did Jesus Say That There Were “Other Sheep” Who Would Hear His Voice? (3 Nephi 15:21; cf. John 10:16). Springville, UT: Book of Mormon Central, 2016.
Israel S. Kent Brown, Douglas A. Stewart, David L. Bollinger, and Terry L. Niederhauser. Israel In Encyclopedia of Mormonism, Edited by Daniel H. Ludlow. Vol. 2. New York: Macmillan, 1992.
The “Other Tribes”: Which Are They? Tvedtnes, John A.. "The “Other Tribes”: Which Are They?" Ensign 12, no. 1 (1982): 31-32.