Mo. Rev. Stat. § 431.110
All contracts which, by the common law, are joint only, shall be construed to be joint and several.
(RSMo 1939 § 3340)
Prior revisions: 1929 § 2953; 1919 § 2155; 1909 § 2769
CROSS REFERENCE:
Joint liability of partners, partnership contracts, 358.150