Police Dept. 7137 Home Defense League
Front Line of City Defense
[New York City Police Aide.]
M [New York City Police Aide.]
Civilian Defense Volunteer Organization
N.Y.C. [New York City Police Aide.]
[Civil defense message room.]
N.Y.C. P.C. [New York City Police Aide.]
The City of New York Citizens Defense Corps Manual for Public Works Officers
[Various views of civil defense officers.]
Police and Warden Duties in Wartime
State of New York Military Census and Inventory