Filtering by: Format pamphlets Remove constraint Format: pamphlets Format Pamphlets Remove constraint Format: Pamphlets Keyword Unassigned Remove constraint Keyword: Unassigned Language English Remove constraint Language: English Location Manuscripts & Archives Research Library, Trinity College Dublin Remove constraint Location: Manuscripts & Archives Research Library, Trinity College Dublin Resource type text Remove constraint Resource type: text Subject Gas masks Remove constraint Subject: Gas masks Title Defensive measures against attacks Remove constraint Title: Defensive measures against attacks