Unknown2008-02-272008-02-2719452008-02-272008.02.21.003http://hdl.handle.net/2263/4590Typescript pamphlet.Pamphlet that was dropped from planes to warn the Dutch citizens of air raids. Verzwaring van lucht bombardementen - Dringende Waarschuwing158606 bytes150025 bytesimage/jpegimage/jpegDutchUniversity of PretoriaAir raidBombardementenSecond World WarNetherlands -- HistoryWorld War, 1939-1945Air raid warning systems -- NetherlandsText