[Public Works Emergency Division Incident Report.]

Allies for a Big Job

New York City at War. Emergency Services

Air Raid Warden's Report

Air Warden's Report

[Incident report.]

[Civil defense.]

Official Civilian Defense Insignia

[Civil defense officers.]

The City of New York Citizens Defense Corps Manual for Public Works Officers

Air Raid Protection Service

[Fire headquarters.]

Emergency Facilities Available in Event of Enemy Action

New Air Raid Warning System

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