^For highly detailed coverage see Zara Steiner, The Triumph of the Dark: European International History 1933-1939 (2011) and Zara Steiner, The Lights that Failed: European International History 1919-1933 (2007)
^ Richard J. Overy, The Origins of the Second World War (2014).
^John E. Moser, Global Great Depression and the Coming of World War II (2015).
^J.A.S. Grenville, A History of the World in the Twentieth Century (Harvard UP, 1994) pp 160-251.
^Mark Grossman, Encyclopedia of the Interwar Years: From 1919 to 1939 (2000)
^D.C. Watt, A History of the World in the Twentieth Century (1968) pp 423-463.