Columbia subject headings:
City planning--Netherlands--History--19th century.
City walls--Netherlands--History--19th century.
Fortification--Netherlands--History--19th century.
Gendt, F. W. van (Frederik Willem), 1831-1900.
Harvard subject headings:
Princeton subject headings:
City planning--Netherlands--History--19th century.
City walls--Netherlands--History--19th century.
Fortification--Netherlands--History--19th century.
Gendt, F. W. van (Frederik Willem), 1831-1900.