France is a nation that gets swept under the rug when discussing aircraft of WW2, but when looking upon what they had planned, they had a number of strong contenders that likely would have been produced if not for the Fall or if Germany didn't place the embargo on them. Specifically - and the...
Two manuals for the Dewoitine D.520. Found on Avialogs.com.
D.520 Characteristics, 1940
Description and Instructions for Use of the D.520 S Fighter Aircraft, 1940