Columbia subject headings:
Củ Chi (Ho Chi Minh City, Vietnam : District)--History.
Tunneling.
Tunnels--Vietnam--Củ Chi (Ho Chi Minh City : District)
Vietnam War, 1961-1975--Vietnam--Củ Chi (Ho Chi Minh City : District)
Harvard subject headings:
Củ Chi (Ho Chi Minh City, Vietnam : District)--History.
Củ Chi (Vietnam : Quận)--History.
Tunneling.
Tunnels--Vietnam--Củ Chi (District)
Tunnels--Vietnam--Củ Chi (Quận)
Vietnam War, 1961-1975--Tunnel warfare.
Vietnam War, 1961-1975--Vietnam--Củ Chi (District)
Vietnam War, 1961-1975--Vietnam--Củ Chi (Quận)
Princeton subject headings:
Củ Chi (Vietnam : Quận)--History.
Tunneling.
Tunnels--Vietnam--Củ Chi (Quận).
Vietnam War, 1961-1975--Vietnam--Củ Chi (Quận).