Army, state, and society in Italy, 1870-1915 (Studies in military and strategic history)
The Russian moderates and the crisis of Tsarism, 1914-1917
Austria-Hungary and the origins of the First World War (The Making of the 20th century)
The Irish Question as a Problem in British Foreign Policy, 1914-1918
Anglo-French Relations, 1934-36
The Risorgimento Revisited Nationalism and Culture in Nineteenth-Century Italy
The advent of war, 1939-40
Fascism in Italy: its development and influence (The Making of the twentieth century)
MacDonald versus Henderson: the foreign policy of the second Labour Government
The Economic Effects of the Two World Wars on Britain
