Plan der stadt Duisburg /
Stadtvermessungsamt Duisburg.
Dortmund : Willy Grösschen,
1951.
"Nachdruck: Willy Grösschen, Dortmund."
Includes insets of "Duisburg innere stadt" and "D.-Ruhrort innere stadt" and notes.
Accompanied by index.
Central business districts
Central business districts