[Public works.]
[Civil defense, Public Works.]
[Exhibit for the Public Works Emergency Division.]
[Public Works Emergency Division exhibit.]
[Public Works Emergency Division Incident Report.]
The City of New York Citizens Defense Corps Manual for Public Works Officers
[Civil defense.]
[Civil defense, medical unit.]
[Civil Defense.]
[Message room.]
[Department of Public Works.]
[Public Works Emergency Department.]
[Eleven views of empty civil defense offices.]
[Group of men gathered around a civil defense officer.]
[Civil defense officers surrounding a ladder.]