Mo. Rev. Stat. § 182.170
Trustees, number, appointment.
182.170. Trustees, number, appointment. — When any city establishes and maintains a public library under sections 182.140 to 182.301 , the mayor or other proper official of the city, with the approval of the legislative branch of the city government, shall proceed to appoint a library board of nine trustees, chosen from the citizens at large, with reference to their fitness for the office. No member of the city government shall be a member of the board.
(RSMo 1939 § 14753, A.L. 1955 p. 555 § 182.160) Prior revisions: 1929 § 13449; 1919 § 7192; 1909 § 8188