- 자료제공 :
- Military Planning and the Origins of the Second World War by Gordon Martel
- Reluctant Neutral: Italy and the Strategic Balance in 1939 by Alan Cassels
- The Weimar Roots of German Military Planning in the 1930s by Robert M. Citino
- Weaknesses in French Military Planning on the Eve of the Second World War by Henry Dutailly
- British Military Planning by Sebastian Cox