Konigsberg

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
10 April 1941
Central Archive of the Ministry of Defence of the Russian Federation
Coll. 28, ser. 17, fold. 14, ff. 48–64v.
Original
17 June 1941
Russian State Archive of Contemporary History
Coll. 3, ser. 50, fold. 415, ff. 50–52.

Cover letter – original. Secret agent report – certified copy