Laws that prohibit carrying concealed weapons, bringing weapons to certain places, and selling weapons to minors, Revised Ordinance No. 16, §§ 44-45, in The Revised Ordinances of the City of Maryville (1903).
"Sec. 44. Carrying Concealed Weapons.—If any person shall carry concealed, upon or about his person, any deadly or dangerous weapon, or shall go into any church or place where people are assembled for religious worship, or into any school room or place where people are assembled for educational, literary or social purpose, or to any election precinct on any election day, or into any court room during the sitting of court, or into any other public assemblage of persons met for any lawful purpose other than for militia drill or meetings called under the militia law of this state, having upon or about his person any kind of fire-arms, bowie knife, dirk, dagger, slung-shot or other deadly weapon, or shall in the presence of one or more persons exhibit any such weapon in a rude, angry or threatening manner, or shall have or carry any such weapon upon or about his person when intoxicated or under the influence of intoxicating drinks, or shall directly or indirectly sell or deliver, loan or barter to any minor any such weapon, without the consent of the parent or guardian of such minor, he shall be deemed guilty of a misdemeanor and upon conviction thereof be fined not less than ten nor more than one hundred dollars.
Sec. 45. Above Section Not to Apply to Certain Officers.—The next preceding section shall not apply to police officers, or any officer or person whose duty it is to execute process or warrants, or to suppress breaches of the peace, or make arrests, nor to persons moving or traveling peaceably through this state, and it shall be a good defense to the charge of carrying such weapon, if the defendant shall show that he has been threatened with great bodily harm, or had good reason to carry the same in the necessary defense of his person, home or property."
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The Revised Ordinances of the City of Maryville 1903 to Which Is Prefixed Charter of Cities of the Fourth Class under Revised Statues of Missouri of 1899 and Amendments Thereto (Maryville, MO: Maryville Tribune, 1903), 148-149. Revised Ordinance No. 16, Offenses against Good Order and Public Peace, §§ 44-45. Passed & Approved June 1, 1903.