TY  - BOOK
TI  - Personal protection against gas /​ issued by the Home Office (Air Raid Precautions Department). 
U1  - 623.4592 Per 
PY  - 1939///.
CY  - London
PB  - H.M.S.O.
KW  - Gases, Asphyxiating and poisonous -- War use -- Handbooks, manuals, etc ; Civil defense -- Handbooks, manuals, etc
ER  -