The said board shall have full power to establish rules and regulations for its government and to appoint and remove its officers and shall keep full and complete minutes of its transactions. Records shall also be kept under its direction of all bodies received and distributed by said board and of the persons or institutions to whom the same may be distributed, which minutes and records shall be open, at all times, to the inspection of each member of said board and of any district attorney of any district court in this state.