The Adam-12 uniforms changed because the real LAPD uniforms did
Police uniform trader who sold helmets and truncheons to TV shows is prosecuted | Daily Mail Online
The thin blue line: The history behind the controversial police emblem - The San Diego Union-Tribune
Police Uniform History and Psychology | Uniform Tactical Supply
1970s African American Police Officer Uniform Afro Chalk Board Vintage Photograph Black White Photo | African american, Police officer uniform, Black white photos
A History of Police Uniforms—and Why They Matter - Bloomberg