§ 103. State papers and securities. All papers relating to the duties of the comptroller, and all deeds to the state, abstracts of title, and state contracts, unless otherwise specially directed, shall be deposited in the office of the comptroller. Upon request of the attorney-general, the comptroller shall transfer to his custody all abstracts of title and title searches relating to the ownership of real property. All leases, bonds, mortgages, certificates of stock and other securities belonging to the state also shall be deposited in the office of the comptroller, but the commissioner of taxation and finance, jointly with the comptroller, shall have custody thereof.