O'Driscoll, Jeffrey S. Hyrum Smith: A Life of Integrity. Salt Lake City: Deseret Book, 2003.
Oak Hill Cemetery. Compiled by Oak Hill Cemetery Association. http://www.watertownhistory.org/OakHillCemetery/.
Oaks, Dallin H. “The Suppression of the Nauvoo Expositor.” Utah Law Review 9 (Winter 1965): 862–903.
Oaks, Dallin H., and Joseph I. Bentley. “Joseph Smith and Legal Process: In the Wake of the Steamboat Nauvoo.” Brigham Young University Law Review, no. 3 (1976): 735–782.
Oaks, Dallin H., and Marvin S. Hill. Carthage Conspiracy: The Trial of the Accused Assassins of Joseph Smith. Urbana: University of Illinois Press, 1975.
Oates, Stephen B. The Fires of Jubilee: Nat Turner’s Fierce Rebellion. New York: Harper and Row, 1975.
Oaths of Public Officials, Bonds, Sonoma County, California, 1854–1894. Sonoma, CA: Sonoma County Library, Sonoma County Historical Records Commission, and Sonoma County Board of Supervisors, 1986.
Obituary Addresses Delivered on the Death of the Hon. John C. Calhoun, a Senator of South Carolina, in the Senate of the United States, April 1, 1850. Washington DC: Jno. T. Towers, 1850.
Obituary Notices and Biographies, 1854–1877. CHL. MS 4760.
Obituary Notices of Distinguished Persons, 1840–1880. CHL. MS 3449.
“Obituary of a Mormon Elder.” The Phrenological Journal and Life Illustrated 56 (Mar. 1873): 203–204.
Obituary Record of Graduates of Yale University, Deceased during the Academical Year Ending in June, 1892. n.p.: 1892.
Observer and Telegraph. Hudson, OH. 1830–1833.
Office Journal, 1850–1851. Typescript. Edyth Romney Typescript Collection, 1973–1988. CHL. MS 2737.
Office of the Treasurer Records. Oberlin College Archives, Oberlin, OH.
Official History of Guilford, Vermont, 1678–1961, With Genealogies and Biographical Sketches. Guilford, VT: Broad Brook Grange No. 151, 1961.
Official Roster of the Soldiers of the State of Ohio in the War of the Rebellion, 1861-1866. vols. 12. Akron, OH: Werner, 1886–1895.
Official Roster of the Soldiers of the State of Ohio in the War with Mexico, 1846–1848 [Pages 383–597]. . . . Franklin, NC: Genealogy Publishing Service, 1991.
The Official Website of the British Monarchy. http://www.royal.gov.uk/Home.aspx.
Ogden Daily Herald. Ogden City, UT. May 1881–Dec. 1887.
Ogden Junction. Ogden, Utah Territory. 1870–1881.
Ogden Standard. Ogden, UT. 1888–.
Ogden, D. Kelly. “The Kirtland Hebrew School (1835–36).” In Regional Studies in Latter-day Saint Church History: Ohio, edited by Milton V. Backman Jr., 63–87, 155–166. Provo, UT: Department of Church History and Doctrine, Brigham Young University, 1990.
Ohio Atlas and Lorain County Gazette. Elyria, OH. 1832–1833.
Ohio Democrat. Tuscawaras Co., OH. 1839–1925.
The Ohio Gazetteer, or, Topographical Dictionary; Being a Continuation of the Work Originally Compiled by the Late John Kilbourn. Revised and enlarged by a citizen of Columbus. 11th ed. Columbus, OH: Scott and Wright, 1833.
Ohio Observer. Hudson. 1827–1855.
Ohio Repository, and Stark County Gazette. Canton, OH. 1826–1830.
Ohio Star. Ravenna. 1830–1854.
Ohio, State of. Marriage Licenses, Nov. 1835–Jan. 1836. Temporary collection. CHL.
Old Homes of Hanover County, Virginia. Hanover, VA: Hanover County Historical Society, 1983.
The “Old Northwest” Genealogical Quarterly. Vol. 7. Columbus, OH: The “Old West” Genealogical Society, 1904.
Old Settlers’ History of Bates County, Missouri. From Its First Settlement to the First Day of January, 1900. Amsterdam, MO: Tathwell & Maxey, 1897.
Old Testament Revision 1 / “A Revelation Given to Joseph the Revelator June 1830,” 1830–1831. CCLA. Also available in Scott H. Faulring, Kent P. Jackson, and Robert J. Matthews, eds., Joseph Smith’s New Translation of the Bible: Original Manuscripts (Provo, UT: Religious Studies Center, Brigham Young University, 2004), 75–152.
Old Testament Revision 2 / Old Testament Revision Manuscript 2, 1831–1833. CCLA. Also available in Scott H. Faulring, Kent P. Jackson, and Robert J. Matthews, eds., Joseph Smith’s New Translation of the Bible: Original Manuscripts (Provo, UT: Religious Studies Center, Brigham Young University, 2004), 591–851.
Old Testament Revision Manuscript, John Whitmer first copy, ca. 1830. CCLA.
Old Testament Revision, Edward Partridge copy, ca. 1830–1831. CHL.
Old Testament Revision, John Whitmer second copy, ca. 1861. Private possession. Copy in CHL.
Olds, Gamaliel S. The Substance of Several Sermons, upon the Subjects of Episcopacy and Presbyterian Parity. Greenfield, MA: Denio and Phelps, 1815.
Olin, Oscar Eugene. Akron and Environs Historical Biographical Genealogical. Chicago: Lewis Publishing, 1917.
Oliphant, J. Orin. “The Report of the Wyandot Exploring Delegation, 1831.” Kansas Historical Quarterly 15, no. 3 (Aug. 1947): 248–262.
The Olive Branch, or, Herald of Peace and Truth to All Saints. Kirtland, OH, 1848–1849; Springfield, IL, 1849–1850; Kirtland, OH, 1850–1852.
Oliver Walker and Nancy Cressy Pioneer History: Life History of Oliver Walker and Nancy Cressy Walker and Family Including Biography, Family Photos, Documents, Maps, and Family Stories, Kirtland Camp, and Haun's Mill. www.oliverwalkerhistory.blogspot.com.
Olney, James H. A Genealogy of the Descendants of Thomas Olney, an Original Proprietor of Providence, R. I., Who Came from England in 1635. Providence, RI: By the author, 1889.
Olney, Oliver H. Papers, 1842–1843. Western Americana Collection. Beinecke Rare Book and Manuscript Library, Yale University, New Haven, CT.
Olney, Oliver H. Spiritual Wifery at Nauvoo Exposed; Also a True Account of Transactions in and about Nauvoo. St. Louis: By the author, 1845.
Olney, Oliver H. The Absurdities of Mormonism Portrayed. Hancock Co., IL: By the author, 1843.
Olsen, Beth Radmall. Among the Remnant Who Lingered: The History of Rebecca Burdick and Hiram Winters and Their Families. Orem, UT: Micro Dynamics Electronic Publishing, 1997.
Olsen, Steven L. “The Mormon Ideology of Place: Cosmic Symbolism of the City of Zion, 1830–1846.” PhD diss., University of Chicago, 1985. Also available as The Mormon Ideology of Place: Cosmic Symbolism of the City of Zion, 1830–1846, Dissertations in Latter-day Saint History (Provo, UT: Joseph Fielding Smith Institute for Latter-day Saint History; BYU Studies, 2002).
Olson, Ferron A. Seymour Brunson: Defender of the Faith. Salt Lake City: By the author, 1998.
Olson, Joseph William. “History of Erastus Snow.” Master’s thesis, Brigham Young University, 1935.
Olson, Kiersten. “‘Embodiment of Strength and Endurance’: Vilate Murray Kimball (1806–1867).” In Women of Faith in the Latter Days, vol. 1, 1775–1820. Edited by Richard E. Turley Jr. and Brittany A. Chapman, 129–142. Salt Lake City: Deseret Book, 2011.
Omaha, Illustrated: A History of the Pioneer Period and the Omaha of To-day, Embracing Reliable Statstics and Information. . . Omaha: D. C. Dunbar, 1888.
Ontario Phoenix. Canandaigua, NY. 1828–1832.
Openshaw, Rose. “The History of Morris Phelps,” no date. Typescript. CHL. MS 11749.
Oquawka Spectator. Oquawka, IL. 1848–1908.
Oration Delivered by Mr. S. Rigdon, on the 4th of July, 1838. Far West, MO: Journal Office, 1838. Also available in Peter Crawley, “Two Rare Missouri Documents,” BYU Studies 14 (Summer 1974): 502–527.
Orbis. Yale University Library Catalog. http://orbis.library.yale.edu/.
“The Original Prophet. By a Visitor to Salt Lake City.” Fraser’s Magazine 7, no. 28 (Feb. 1873): 225–235.
Orth, Samuel P. A History of Cleveland Ohio. 3 vols. Chicago and Cleveland: S. J. Clarke, 1910.
Orton, Edward. An Account of the Descendants of Thomas Orton of Windsor, Connecticut, 1641. Columbus, OH: Nitschke Brothers, 1896.
Osborn, David. Reminiscences and Journal, 1860–1893. CHL. MS 1653.
Ostertag, John A., and Enid Ostertag. Illustrated Doniphan County, 1837–1916: Supplement to The Weekly Kansas Chief, Troy, Kansas, April 6, 1916. Troy, KS: Trojan Graphics, 1999.
Oswego Palladium. Oswego, NY. 1832–1852.
Our Documents.gov. http://www.ourdocuments.gov/.
Overton County. Address of Albert V. Goodpasture, Delivered at Livingston, Tennessee, July 4th, 1876. Nashville: Cumberland Presbyterian Publishing House, 1877.
Overton, Julie Minot. Ohio Towns and Townships to 1900: A Location Guide. Edited by Kay Ballantyne Hudson and Sunda Anderson Peters. Mansfield, OH: Ohio Genealogical Society, 2000.
Owen, E. A. Pioneer Sketches of Long Point Settlement, or Norfolk's Foundation Builders and Their Family Genealogies. Toronto: William Briggs, 1898.
Owen, Robert. A New View of Society: or, Essays on the Principle of the Formation of the Human Character, and the Application of the Principle to Practice. London: Cadell and Davies, 1813.
Owen, Robert. The Life of Robert Owen, Written By Himself. With Selections from His Writings and Correspondence. Vol. 1. London: Effingham Wilson, Royal Exchange, 1857.
The Oxford Dictionary of the Christian Church. Edited by F. L. Cross and E. A. Livingstone. 3rd ed. New York: Oxford University Press, 1997.
The Oxford English Dictionary. 2nd ed. Edited by J. A. Simpson and E. S. C. Weiner. 20 vols. Oxford: Clarendon Press, 1989.
Oxford English Dictionary. Compact ed. 2 vols. Oxford: Oxford University Press, 1971.
The Oxford English Dictionary. Edited by James A. H. Murray, Henry Bradley, W. A. Craigie, and C. T. Onions. 12 vols. 1933. Reprint, Oxford: Oxford University Press, 1970.