§ 108. State education building. The state education building shall be occupied exclusively by the education department, including the university, with the state library, the state museum, and its other divisions and bureaus, together with such other work with which the commissioner of education and the regents have official relations, as the regents may, in their discretion, provide for therein, and such building and the offices of such department shall be maintained at state expense under the charge and care of such department.