Mo. Rev. Stat. § 28.040: Custodian of state seal, records and documents — appointment of state librarian.

1. He shall keep his office at the seat of government; have the safekeeping of the seal of state and of all public records, including surety bonds, except those for which other provisions are made by law, rolls, documents, acts, resolutions and orders of the general assembly; keep a register of all commissions issued, the official acts of the governor and, when necessary, attest the same.

2. He shall appoint a state librarian who shall administer the state library, all state library service programs, distribution of funds, and personnel actions shall be made on a nonpartisan basis.