work of the following images: File:Germany,_German_Demorcratic_Republic_location_map_w·o_FRG_October_1949_-_June_1952.svg licensed with Cc-by-sa-3.0, GFDL
work of the following images: File:Germany,_German_Demorcratic_Republic_location_map_w·o_FRG_October_1949_-_June_1952.svg licensed with Cc-by-sa-3.0, GFDL
work of the following images: File:Germany,_German_Demorcratic_Republic_location_map_w·o_FRG_October_1949_-_June_1952.svg licensed with Cc-by-sa-3.0, GFDL