• A history of England
• A history of the Peninsular War, Vol. 1, 1807-1809 : From the treaty of Fontainbleau to the battle of Corunna
• A history of the Peninsular War, Vol. 2, Jan.-Sep. 1809 : From the battle of Corunna to the end of the Talavera campaign
• A history of the Peninsular War, Vol. 3, Sep. 1809-Dec. 1810 : Ocaña, Cadiz, Bussaco, Torres Vedras
• A history of the Peninsular War, Vol. 4, Dec. 1810-Dec. 1811 : Massena's retreat, Fuentes de Oñoro, Albuera, Tarragona
• A history of the Peninsular War, Vol. 5, Oct. 1811-Aug. 31, 1812 : Valencia, Ciudad Rodrigo, Badajoz, Salamanca, Madrid
• A history of the Peninsular War, Vol. 6, September 1, 1812-August 5, 1813 : The siege of Burgos, the retreat from Burgos, the campaign of Vittoria, the battles of the Pyrenees
• The Art of War in the Middle Ages A.D. 378-1515
• The Byzantine Empire
• The Dark Ages, 476-918
• Warwick, the Kingmaker
• Wellington's Army, 1809-1814