Filtering by: Contributor Howard-Bury, Charles, 1881-1963, Associated Name Remove constraint Contributor: Howard-Bury, Charles, 1881-1963, Associated Name Type Work Remove constraint Type: Work 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