NYPD Operations Order 14

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PEN Newsletter No. 16 - Jan 1988

PEN Newsletter No. 17 - Apr 1988

PEN Newsletter No. 19 - Oct 1988

PEN Newsletter No. 20 - Dec 1988

PEN Newsletter No. 21 - Feb 1989

PEN Newsletter No. 22 - Apr 1989

PEN Newsletter No. 23 - Jun 1989

PEN Newsletter No. 24 - Aug 1989

PEN Newsletter No. 25 - Nov 1989

PEN Newsletter No. 26 - Dec 1989

PEN Newsletter No. 27 - Feb 1990

PEN Newsletter No. 28 - May 1990