- http://en.wikipedia.org/wiki/Samuel_Colt
- http://en.wikipedia.org/wiki/Colt%27s_Manufacturing_Company
- http://en.wikipedia.org/wiki/Colt_Navy_revolver
- http://en.wikipedia.org/wiki/Revolver
- http://en.wikipedia.org/wiki/Semi-automatic_pistol
- http://en.wikipedia.org/wiki/Colt_M1900
- http://en.wikipedia.org/wiki/Machine_pistol