You searched for: Date Created 1930 Remove constraint Date Created: 1930 Provenance M. I. Map Library, Atlasblatt Remove constraint Provenance: M. I. Map Library, Atlasblatt Subject Topical Subject: Soviet Union Remove constraint Subject: Topical Subject: Soviet Union State/Province Ленинградская область (Leningrad oblast) Remove constraint State/Province: Ленинградская область (Leningrad oblast)