[New York City Police Aide.]

[New York City Police Aide.]

M [New York City Police Aide.]

N.Y.C. [New York City Police Aide.]

N.Y.C. P.C. [New York City Police Aide.]

Police and Warden Duties in Wartime

Police Mutual Aid Association

Police Department, City of New York. Home Defense League

Police Dept. 7137 Home Defense League

By-Laws of the Metropolitan Police Mutual Aid Association

Constitution and By-Laws of the Municipal Police Aid Association of the City of New York

[Policemen performing first aid.]

[Motorcycle police.]

Civil Defense - Atomic Bomb First Aid [First aid drill at Abraham & Straus.]

Civil Defense - Atomic Bomb First Aid [First aid drill at Abraham & Straus.]

Civil Defense - Atomic Bomb First Aid [First aid drill at Abraham & Straus.]

Emergency Taxi Corps

Civil Defense - Atomic Bomb First Aid [First aid drill at Abraham & Straus.]

Committee. Honor Legion Police Dept. N.Y. Comrade

[Police diffusing a car bomb.]