Rowan Co., NC 1768 Tax List.
The Deweese Family.
Avington Wayne Simpson, editor. Diary of Lt. Avington Wayne Simpson. n.p.: n.pub..
Bill and Martha Reamy. St. George's Parish Registers 1689-1793. Silver Spring, MD: Family Line Publications, 1988.
Clarissa Ruth Barnes Smart. Wayne County, Kentucky Related Families. n.p.: Charlottesville, VA: Wayside Press, 1984.
Don Simpson. "New Information on Some Haw River Simpson Descendants and Their Relatives," The Simpson Clan Volume XV Number 3 (Winter 1999).
Don Simpson. "Simpson Project Report " to Nona Williams; PO Box 746, Santa Cruz, CA 95005. 1995-1997. In my personal library, PO Box 746, Ben Lomond, CA 95005.
Dr. Richard Miller. Abstracts of the Baltimore County Land Commissions 1727 - 1762. Westminster, MD: Family Line Publications, 1989.
Edythe Rucker Whitley. Tennessee Genealogical Records: Records of Early Settlers From State and County Archives. Baltimore, MD: Genealogical Publishing Co., 1980.
Eugene M. Wiseman. The Warren County Story. Bradenton, FL: privately published, 1995.
F. Edward Wright. Inhabitants of Baltimore County 1692-1763. Silver Spring, Maryland: Family Line Publications, 1987.
Helen C. Timothy R. Marsh. 1850 Mortality Schedule of Tennessee. Shelbyville, Tenn.: Marsh Historical Publications.
In the Descendants of Matthias Chitwood. Chitwood Bible. n.p.: Bible copyright 1834.
Irene B. Webster. Rockingham County North Carolina Will Abstracts 1785-1865. Easley, SC: Southern Historical Press, 1973, 1984.
James Simpson's War of 1812 records. Nashville, TN, Tennessee State Library and Archives.
Jorene Washer Parsley. DeKalb Co., Tennessee Census 1860. Smithville, TN: privately published, 1979.
June Baldwin Bork. Wayne County, Kentucky 1810 Census. n.p.: Apple Valley, CA: privately published, 1991.
June Baldwin Bork. Wayne County, Kentucky 1820 Census. n.p.: Apple Valley, CA: privately published, 1991.
June Baldwin Bork. Wayne County, Kentucky 1830 Census. n.p.: Apple Valley, CA: privately published, 1991.
June Baldwin Bork. Wayne County, Kentucky Civil Court Records. n.p.: 1974.
June Baldwin Bork. Wayne County, Kentucky Deeds. n.p.: Apple Valley, CA: privately published, 1993.
June Baldwin Bork. Wayne County, Kentucky Marriages and Vital Records. n.p.: privately published, 1872.
June Baldwin Bork. Wayne County, Kentucky Pioneers: Biographical Sketches and Civil Court Records. Apple Valley, CA: privately published, 1974.
Nona Williams, editor. The Simpson Clan. n.p.: PO Box 746, Ben Lomond, CA 95005.
Nona Williams. Warren County, Tennessee Plat Book 1824-1827 Volume 1. PO Box 736, Ben Lomond, CA 95005: R.O.F.E., 1997).
Oren A. Simpson. The Adventures of Six Simpsons in North America. n.p.: 1980.
Robert W. Barnes. Baltimore County Families, 1659-1759 . Baltimore, MD: Genealogical Publishing Co., 1989.
Rockingham Count Historical Society. Heritage of Rockingham County, North Carolina. Winston-Salem, NC: Hunter Publishing Co., 1983.
St. George's Church Collection. n.p.: Collection MSA SC 2499, St. George's Church (Spesutia Church), Protestant Episcopal parish registers, unknown roll.
Early Families of the North Carolina Counties of Rockingham and Stokes Counties with Revolution Service. Madison, NC: DAR.
Genealogical Material in Oregon Donation Land Claims.
Henry Co., Missouri 1850 Census.
Pike Co., Missouri 1840 Census.
Richard Simpson's will. Baltimore Co., Maryland: Will Book 1, pp. 88-89.
Rockingham Co., NC Marriage Bonds.
Rowan Co., NC Marriages 1753 - 1868.
The Rockingham County Heritage Book.: Rockingham County Historical Society, 1982.
Warren Co., Tennessee Census.
Wayne County, Kentucky 1840 census.
Rowan County Inferior Court.
The gravestones of Thomas and Mary are located on J.W. Crowder's land in Johnson Co., MO.
Guilford County, North Carolina Wills, 24 Dec. 1793.
Maryland Land Patents, 26 June 1671.
Will T. Hale. History of DeKalb County [Tennessee]. McMinnville, TN: Ben Lomond Press, 1915, reprinted in 1969.
William's grandson, letter. July 4 1874, from Jacksonville, Florida, to grandson's daughter.
Yolanda G. Reid. "Tennessee County, North Carolina Deed Abstracts, 1789-1797: Early Records of Robertson, Montgomery,," The Middle Tennessee Journal of Genealogy and History