Letters to and from Orson Pratt
- Letter from Orson Pratt to Brigham Young; Aug. 28, 1840
- Letter from Orson Pratt to Brigham Young; Oct. 21, 1845
- Letter from Parley P. Pratt to Orson Pratt, Sept. 1848
Millennial Star, 11:21 - Letter from Parley P. Pratt and the Twelve to Orson Pratt, Mar. 1849
Millennial Star, 11:244 - Letter from Parley P. Pratt to Orson Pratt, July 1850
Millennial Star, 12:352 - Letter from Orson Pratt to Brigham Young, Nov. 20, 1852
- Letter from Orson Pratt to Brigham Young, Dec. 31, 1852
- Letter to Orson Pratt from Seth Pratt; abt. 1853
- Letter from Orson Pratt to Brigham Young, Jan. 30, 1853
- Letter from Orson Pratt to Brigham Young, Mar. 4, 1853
- Letter to Orson Pratt from Alfred A. Pratt; Mar. 27, 1853
- Letter to Orson Pratt from Nelson Pratt; Mar. 27, 1853
- Letter to Orson Pratt from Brigham Young; Mar. 30, 1853
- Letter from Orson Pratt to Brigham Young, Apr. 4, 1853
- Letter to Orson Pratt from Seth Pratt, Apr. 8th, 1853
- Letter to Orson Pratt from Parley P. Pratt; May 25, 1853
- Letter to Orson Pratt from Asenath Gorsline; May 28, 1853
- Letter from Orson Pratt to Brigham Young, May 30, 1853
- Letter to Orson Pratt from Parley P. Pratt; Aug. 23, 1853
- Letter from Orson Pratt to Brigham Young, Sep. 19, 1853
- Letter to Orson Pratt from Alfred A. Pratt; Sep. 25, 1853
- Letter from Orson Pratt to Brigham Young, Oct. 13, 1853
- Letter to Orson Pratt from L.C. Pratt; Oct. 24, 1853
- Letter from Orson Pratt to Brigham Young, Nov. 4, 1853
- Letter to Orson Pratt from Nelson Pratt; Nov. 20, 1853
- Letter from Orson Pratt to Brigham Young, Dec. 13, 1853
- Letter to Orson Pratt from Parley P. Pratt; Jan. 30, 1854
- Letter to Orson Pratt from Nelson Pratt; Feb. 13, 1854
- Letter from Orson Pratt to Brigham Young, Feb. 14, 1854
- Letter to Orson Pratt from David Pratt; Mar. 3, 1854
- Letter from Orson Pratt to Brigham Young, Apr. 3, 1854
- Letter to Orson Pratt from Asenath Gorsline, Apr. 1854
- Letter from Orson Pratt to Brigham Young, Aug. 4, 1854
- Letter from Orson Pratt to Brigham Young, Aug. 8, 1854
- Letter from Orson Pratt to Brigham Young
August 11, 1854 - Letter from Orson Pratt to Brigham Young about Immigration, Aug. 1854
Deseret News, Aug. 31, 1854 - Letter from Wilford Woodruff to Orson Pratt, May 1856
Millennial Star, 16:507 - Letter to Brigham Young from Orson Pratt, Aug. 29, 1856
- Letter from Wilford Woodruff to Orson Pratt, Sept. 1856
Millennial Star, 18:794 - Letter from Orson Pratt to Brigham Young, Sept. 5, 1856
- Letter to Orson Pratt from E. Snow, Sep. 23, 1856
- Letter from T.B.H. Stenhouse to Orson Pratt, Oct. 1856
Millennial Star, 18:750 - Letter from Thomas Bullock to Orson Pratt, Oct. 1856
Millennial Star, 18:811 - Letter from Orson Pratt to Brigham Young, Oct. 21, 1854
- Letter from Orson Pratt to Brigham Young, Oct. 31, 1856
- Letter from Parley P. Pratt to Orson Pratt, Jan. 1857
Millennial Star, 19:455 - Letter to Orson Pratt from Parley P. Pratt; Jan. 2, 1857
- Letter to Orson Pratt from Barnet Giles, Jan. 19, 1857
- Letter to Orson Pratt from Alfred A. Pratt; Apr. 2, 1857
- Letter from Orson Pratt to Brigham Young, Apr. 3, 1857
- Letter from Orson Pratt to Brigham Young, Apr. 14, 1857
- Letter from Eleanor Pratt about Parley’s death, May 1857
Millennial Star, 19:417 - Letter from Brigham Young to Orson Pratt, June 1857
Millennial Star, 19:556 - Letter from Orson Pratt to Brigham Young, Jun. 27, 1857
- Letter to Orson Pratt from James Bunting, August 1, 1857
- Letter from Orson Pratt to Brigham Young, Aug. 7, 1857
- Letter from Orson Pratt to Brigham Young, Aug. 27, 1857
- Letter from Orson Pratt to Brigham Young, Oct. 2, 1857
- Letter to Orson Pratt from Brigham Young; Sep. 25, 1860
- Letter from Orson Pratt to Brigham Young, Dec. 1865
Deseret News, Mar. 8, 1866 - Letter from Wilford Woodruff to Orson Pratt, Dec. 1866
Journal History of the Church of Jesus Christ of Latter-day Saints, Dec. 12, 1866 - Letter to wife, Mary Ann, July 2, 1867
- Letter from Apostles to the Latter-day Saints about the Utah Magazine, Nov. 1869
Deseret News, Nov. 3, 1869 - Letter from Orson Pratt about the Book of Mormon, May 1876
Deseret News, Nov. 28, 1883 - Letter from Orson Pratt to A.B. Nelson; Sep. 2, 1876
- Letter from Orson Pratt to Editor of the Analyst; Sep. 18, 1876
- Letter from Milando Pratt to Orson Pratt, May 1877
Journal History of the Church of Jesus Christ of Latter-day Saints, May 19, 1877 - Mission Letter Concerning Orson Pratt from Brigham Young; Jul. 17, 1877
- Letter from Orson Pratt to G. Rand; Mar. 1, 1878
- Mission Letter Concerning Orson Pratt from John Taylor; Aug. 31, 1878
- Letter from Orson Pratt to Marion Ross Pratt; Sep. 18, 1878
- Letter from Orson Pratt to Marion Ross Pratt; Dec. 23, 1878
- A Wonderful Manifestation, Letter from Llewellyn Harris
January 1, 1879 - Letter from Isaiah Coombs to Orson Pratt about Parley P. Pratt, Sept. 1879
|Journal History of the Church of Jesus Christ of Latter-day Saints, Sep. 19, 1879 - Letter to Orson Pratt from Samuel B. Warner; Jan. 1, 1880
- Letter from Orson Pratt to Descendants
January 9, 1880