- Nederlandse Military Luchtvaart in May 1940 (JL Roba)
- The Belgian Military Aeronautics during the campaign of May-June 1940 (P. Taghon)
- The Air Force during the 1940 campaign (B. Belcarz)
- The Jagdwaffe in France (R. Michulec)
The numbers 8 and 9 of Ciel de Guerre propose to paint an overview,
from the texts of different authors, the entry into action of the fighter aviation during the offensive to the west of the Axis forces in May-June 1940.
21 x 29 format, NB and color photos, color profiles,