Skoda

ЦА МО РФ. Ф. 23. Оп. 7237. Д. 2. Л. 21–50.
Special report of the Intelligence Directorate of the General Staff of the Red Army ‘On the areas of development of the German Armed Forces and changes in their makeup’
11 March 1941
Central Archive of the Ministry of Defence of the Russian Federation
Coll. 23, ser. 7237, fold. 2, ff. 21–50.
Certified copy