Free History Books Online

Here is a list of online books  about History   in various formats available for free :

• A Magnificent Fight: Marines in the Battle for Wake Island by Robert J. Cressman (illustrated HTML at UNC)
• An Account of Egypt by Herodotus, trans. by G. C. Macaulay (Gutenberg text; unofficial until 30 Apr 2000)
• Assassins of Memory: Essays on the Denial of the Holocaust by Pierre Vidal-Naquet, trans. by Jeffrey Mehlman (HTML at anti-rev.org)
• Command Decisions by United States Army (HTML at US Army CMH)
• Essays on World War I: Total War and Peacemaking, A Case Study on Trianon, ed. by Bela K. Kiraly, Peter Pastor, and Ivan Sanders (HTML at hungary.com)
• A Treasure of War Poetry: British and American Poems of the World War, 1914-1917, ed. by George Herbert Clarke (HTML at GeoCities)
• Cross-Channel Attack by Gordon A. Harrison (HTML at US Army CMH) 
• Cruise Books of the United States Navy in World War II: A Bibliography by Dean L. Mawdsley (HTML at navy.mil)
• Did Six Million Really Die? by Richard E. Harwood (HTML with commentary at lebensraum.org)
• First Offensive: The Marine Campaign for Guadalcanal by Henry I. Shaw (illustrated HTML at UNC)
• German Antiguerrilla Operations in the Balkans, 1941-1944 by Robert M. Kennedy (HTML at US Army CMH)
• Historical Lectures and Essays by Charles Kingsley (Gutenberg text) 
• Historical Materialism and the Economics of Karl Marx by Benedetto Croce, trans. by C. M. Meredith (HTML at McMaster)
• History of the 19th Century in Political Cartoons (based on a 1904 book, with edits) by Arthur Bartlett Maurice and Frederic Taber Cooper, ed. by Jim Zwick (JavaScript-dependent illustrated HTML at boondocksnet.com)
• History of the Thirty Years’ War by Friedrich Schiller, trans. by A. J. W. Morrison (Gutenberg text (864K))
• Hitler’s War by David Irving (PDF at fpp.co.uk)
• Infamous Day: Marines at Pearl Harbor, 7 December 1941 by Robert J. Cressman and J. Michael Wenger (illustrated HTML at UNC)
• Learning Lessons in the American Expeditionary Forces by Kenneth Earl Hamburger (HTML at US Army CMH)
• Library of Congress European Collections: An Illustrated Guide by Library of Congress (illustrated HTML at LOC) 
• Marines at Midway by R. D. Heinl (illustrated HTML at UNC)
• Mobilization: The U.S. Army in World War II– The 50th Anniversary by Frank N. Schubert (HTML at US Army CMH)
• Mobilizing Woman-Power by Harriot Stanton Blatch (illustrated HTML at LOC)
• Naval Aviation in World War I by Adrian O. Van Wyen (PDF files at navy.mil)
• Ode on the Sailing of Our Troops for France by John Jay Chapman (HTML and SGML at Michigan)
• Omaha Beachhead (6 June – 13 June, 1944) by United States War Department (HTML at US Army CMH) 
• Opening Moves: Marines Gear Up for War by Henry I. Shaw (illustrated HTML at UNC)
• Operations of Encircled Forces: German Experiences in Russia by United States Army (HTML at US Army CMH)
• Outpost in the North Atlantic: Marines in the Defense of Icelandby James A. Donovan (illustrated HTML at UNC)
• Philippine Islands by Jennifer L. Bailey (illustrated HTML at UNC) 
• Rear Area Secutriy in Russia: The Soviet Second Front Behind the German Lines by United States Army (HTML at US Army CMH)
• St-Lo (7 July – 19 July, 1944) by United States War Department (HTML at US Army CMH)
• Summary Report (European War) by United States Strategic Bombing Survey (HTML at anesi.com)
• Summary Report (Pacific War) by United States Strategic Bombing Survey (HTML with commentary at anesi.com) 
• The Aleutians Campaign, June 1942 – August 1943 by United States Navy (HTML at UNC)
• The Ardennes: Battle of the Bulge by Hugh M. Cole (HTML at US Army CMH)
• The Atomic Bombings of Hiroshima and Nagasaki by Manhattan Engineer District (Gutenberg text)
• The Defense of Wake by R. D. Heinl (illustrated HTML at UNC)
• The Falcon on the Baltic by E. F. Knight (HTML at arthur-ransome.org)
• The Fall of the Philippines by Louis Morton (illustrated HTML at UNC)
• The German Campaigns in the Balkans (Spring 1941) by George E. Blau (HTML at US Army CMH)
• The History of Herodotus by Herodotus, trans. by George Rawlinson (HTML at Internet Classics)
• The Junius Pamphlet by Rosa Luxemburg (HTML with commentary at marxists.org)
• The Origin and Deeds of the Goths by Jordanes, trans. by Charles C. Mierow (HTML at Calgary)
• The Ruins: or, Meditation on the Revolutions of Empires; and The Law of Nature by Constantin-Francois Volney (Gutenberg text)
  
• The Valet’s Tragedy, and Other Studies by Andrew Lang (Gutenberg text; unofficial until 29 Feb 2000)
• Titoist Atrocities in Vojvodina, 1944-1945: Serbian Vendetta in Bacska by Tibor Cseres (HTML at hungary.com)
• Travels Through France and Italy by Tobias Smollett (Gutenberg text; unofficial until 30 Sep 2000) 
• United States Naval Chronology, World War II (with additional material) by United States Navy (HTML at UNC)
• U.S. Army Special Operations in World War II by David W. Hogan (HTML at US Army CMH)
• U. S. Naval Aviation in the Pacific by United States Navy (PDF at navy.mil; 2.7 MB)
• Utah Beach to Cherbourg (6 June – 27 June, 1944) (HTML at US Army CMH)
• War and the Future: Italy, France and Britain at War by H. G. Wells (Gutenberg text)