Crimes and Punishments, in Compiled and Revised Laws of the Territory of Idaho 326 (M. Kelly, Territorial Printer 1875).
Sec. 35. If any person. shall, by previous appointment or agreement, fight a duel with a rifle, shot-gun, pistol, bowie knife, dirk, small sword, back sword, or any other dangerous weapon, and in so doing shall kill his antagonist or any other person or persons, or shall inflict such wound as that the party or parties injured shall die thereof within one year thereafter, every such offender shall be deemed guilty of murder in the first degree, and upon conviction thereof shall be punished accordingly.