The History of the Byzantine Empire from 765 to 1057 A.D. by noted historian George Finlay is an excellent resource on the history of the empire during it's apex.
The German Empire 1879-1914
William Habutt Dawson
bookEnglish Coins and Tokens, with a Chapter on Greek and Roman Coins
Llewellynn Frederick William Jewitt, Barclay V. Head
bookThe Anglo-Saxon Century and the Unification of the English-Speaking People
John R. Dos Passos
bookGermany's High Seas Fleet in the World War : Historical Account of Naval Warfare in the WWI
Reinhard Scheer
bookTribal Custom in Anglo-Saxon Law
Frederic Seebohm
bookThe Life and Death of Adolf Hitler
Robert Payne
bookA Short History of Carthage
Charles Rollin
bookUnveiling Westeros: The Ultimate Guide For Unlocking The Psychology, Symbolism, Meanings And Motivations Of Game Of Thrones
Eternia Publishing
bookThe Invasion of Europe by the Barbarians
J. B. Bury
bookMedieval Warfare: the Art of War in the Middle Ages
Charles Oman
bookStalingrad to Berlin: The German Defeat in the East : History of the Turning Point in World War II
Earl F. Ziemke, U.S. Army Center of Military History
bookNazi Super-Weapons of WWII
Larry Slawson
book