Filtering by: Contributor Howard-Bury, Charles, 1881-1963, Associated Name Remove constraint Contributor: Howard-Bury, Charles, 1881-1963, Associated Name Format Pamphlets Remove constraint Format: Pamphlets Keyword Unassigned Remove constraint Keyword: Unassigned Location Manuscripts & Archives Research Library, Trinity College Dublin Remove constraint Location: Manuscripts & Archives Research Library, Trinity College Dublin Subject Gas masks Remove constraint Subject: Gas masks Subject World war, 1914-1918--Pamphlets Remove constraint Subject: World war, 1914-1918--Pamphlets Title Defensive measures against attacks Remove constraint Title: Defensive measures against attacks