Ordinances of the City of Sioux City, Iowa, § 4. No person shall, within the limits of the city, wear under his clothes, or concealed about his person, any pistol, revolver, slung-shot, cross-knuckles, knuckles of lead, brass or other metal, or any bowie-knife, razor, billy, dirk, dirk-knife or bowie-knife, or other dangerous weapon. Provided, that this section shall not be so construed as to prevent any United States, State, county, or city officer or officers, or member of the city government, from carrying any any such weapon as may be necessary in the proper discharge of his official duties.

Carrying Concealed Weapons Prohibited, § 105. It shall be unlawful for any person to carry under his clothes or concealed about his person, or found in his possession, any pistol or firearms, slungshot, brass knuckles, or knuckles of lead, brass or other metal or material , or any sand bag, air guns of any description, dagger, bowie knife, or instrument for cutting, stabbing or striking, or other dangerous or deadly weapon, instrument or device; provided that this section shall not be construed to prohibit any officer of the United States, or of any State, or any peace officer, from wearing …