This is an awesome find. A coworker (KS) has the actual manual. It is a snapshot of policing history. One interesting part is the number 1 function of the police was the Preserve the Peace. Interesting because that fits nicely with Broken Windows Theory and now police departments don’t want maintaining order or preserving the peace as part of their mission statement.
A police manual / by Wilbur J. Turner ; with an introd. by Austin … – Full View | HathiTrust Digital Library
— Read on babel.hathitrust.org/cgi/pt