Police Positive Special vs Army Special - frame size comparison
Colt Official Police - Wikipedia
From the Vault: Colt Police Positive Revolver
Colt's Official Police Revolver - Shooting Times
GUNS Magazine The Colt Police Positive Special - GUNS Magazine
Smith & Wesson revolver frame sizes – Part 1 - the differences in models.
Colt vs. Smith & Wesson: Reviving a classic debate among revolvers
Colt vs. Smith & Wesson: Reviving a classic debate among revolvers
Framed: Revolver Sizes & What They Mean
Single Action, Double Action, or Striker Fire for Concealed Carry
Colt Police Positive Special: Al Capone's Favorite Handgun
Police Positives - different frame sizes?
Colt's Police Positive Special - Shooting Times
Police uniforms vs. military uniforms
Colt's Police Positive Special - Shooting Times