[Public works.]

[Civil defense, Public Works.]

[Public Works Emergency Division exhibit.]

[Exhibit for the Public Works Emergency Division.]

[Public Works Emergency Division Incident Report.]

[Public works.]

[Civil defense, Public Works.]

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

[Civil defense.]

[Civil defense.]

[Civil defense.]

[Civil defense.]

[Department of Public Works.]

[Civil defense, medical unit.]

[Civil defense.]

[Civil Defense.]

[Civil defense.]

[Message room.]

[Portable truck body with equipment.]

[Civil defense.]