Gdynia

December 1940
Russian State Military Archive
Coll. 37977, ser. 5, folder 568 (A).

Strategic military exercises on maps.

1 : 1 000 000.

December 1940
Russian State Military Archive
Coll. 37977, ser. 5, folder 568 (B).

Strategic military exercises on maps.

1 : 1 000 000.

January 1941
Russian State Military Archive
Coll. 37977, ser. 5, folder 572, f. 2.

Strategic military exercises on maps.

1 : 1 000 000.

January 1941
Russian State Military Archive
Coll. 37977, ser. 5, folder 572, f. 1.

Strategic military exercises on maps.

1 : 1 000 000.

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