These Virginia history classics are out of copyright and have been made freely available by various organizations, including GenGateway, Internet Archive, Harvard, and the University of Virginia:
Barons of the Potomack and the Rappahannock by Moncure Daniel Conway (1892)
The Colonial Virginia Register: A List of Governors, Councillors and Other Higher Officials, and also Members of the House of
Burgesses, and the Revolutionary Conventions of the Colony of Virginia compiled by William Glover and Mary Newton Standard (1902)
Economic History of Virginia in the Seventeenth Century by Philip Bruce Alexander
Encyclopedia of Virginia Biography (1915)
Fifty Years in Chains, or, The Life of an American Slave by Charles Ball (1859)
Historic Periods of Fredericksburg, 1608-1861 by Mrs. Vivian Minor Fleming (1921)
An Historical Account Of The Settlements Of Scotch Highlanders In America Prior To The Peace Of 1783 Together With Notices Of Highland Regiments And Biographical Sketches by J. A. P. MacLean, Ph. D.
Historical Collections of Virginia... by Henry Howe (1845)
A History of Slavery in Virginia by James Curtis Ballagh (1902)
The History of Suffrage in Virginia by Julian A. C. Chandler (1901)
History of the Early Settlement and Indian Wars of Western Virginia; Embracing an Account of the Various Expeditions in the West, Previous to 1795... by Wills de Hass (1851)
History of the Virginia Company of London by Edward D. Neill (1869)
The Life of General Hugh Mercer: with Brief Sketches of General George Washington, John Paul Jones, General George Weedon, James Monroe and Mrs. Mary Ball Washington, who Were Friends and Associates of General Mercer at Fredericksburg: also a Sketch of Lodge no. 4, A.F. and A.M., of which Generals Washington and Mercer Were Members: and a Genealogical Table of the Mercer Family (1906)
List of Revolutionary Soldiers of Virginia. (1912)
A Narrative of the Life of Rev. Noah Davis, a Colored Man Written by Himself, at the Age of Fifty-four (1859)
Old Churches, Ministers and Families of Virginia: in Two Volumes (Volume 1) by Bishop William Meade
Volume 2 is here.
One of Jackson's Foot Cavalry: His Experience and what He Saw During the War 1861-1865, Including a History of "F Company," Richmond, Va., 21st Regiment Virginia Infantry, Second Brigade, Jackson's Division, Second Corps, A. N. Va. by John H. Worsham
Overwharton Parish Registry, 1720 to 1760 (Old Stafford)
The Political History of Virginia During the Reconstruction by Hamilton James Eckenrode (1904)
The Revolution in Virginia by Hamilton James Eckenrode (1916)
Roster of Confederate Dead in the Fredericksburg Confederate Cemetery by Robert K. Krick, 1974
Slave Life in Virginia and Kentucky; or, Fifty Years of Slavery in the Southern States of America by Francis Fedric. 1863
Statistical Gazetteer of the State of Virginia by Richard Edwards (1855)
Virginia and Virginians by Dr. R.A. Brock and Professor Virgil A. Lewis (1888)
The Virginia Campaign and the Blockade and Siege of Yorktown, 1781 by Colonel H.L. Landers, F.A. Historical Section, Army War College
Virginia Colonial Decisions: The Reports by Sir John Randolph and by Edward Barradall of Decisions of the General Court of Virginia, 1728-1741 ed., with historical introduction, by R. T. Barton.
Virginia Cookery-Book compiled by Mary Stuart Smith (1885)
Virginia under the Stuarts, 1607-1688 by Thomas Jefferson Wertenbaker (1914)
Word-Book of Virginia Folk Speech by B.W. Green (1899)
In addition, the Library of Virginia's digital collections have photos, maps, Confederate disability applications/receipts and pension rolls, public service claims from Lord Dunmore's War, early Virginia religious petitions, Revolutionary War bounty warrants and rejected claims, Virginia Land Office patents and grants, and the WPA Life Histories Collection, including more than 50 interviews with former slaves.