The judge of the probate court shall be required to keep a suitable record and index in a book prepared for that purpose of all matter placed in the historical container, with notations as to the nature of the matter on file, by whom, and when placed on file. He shall be entitled to a fee of 25¢, payable by the person filing such historical matter, for each article or document so deposited by such person for preservation with him, provided that the county historian may submit documents for preservation without payment of a fee to the judge of the probate court.