http://lod.ehri-project-test.eu/isCopyOfRelations/89e3cb74-4ac7-11f0-9849-899181ace71c an entity of type: IsCopyOfRelation
"Documentation of the Estonian Security Police, 1941 - 1944" was copied from "Eesti Julgeoleku Politsei (Julgeolekupolitsei ja SD Eestis grupp B, Tallinn-Harju Prefektuuri Poliitilne Politsei)"