"(Sec. 57.) That the said printed current catalogues as they are issued shall be promptly distributed by the copyright office to the collectors of customs of the United States and to the postmasters of all exchange offices of receipt of foreign mails, in accordance with revised lists of such collectors of customs and postmasters prepared by the Secretary of the Treasury and the Postmaster-General, and they shall also be furnished to all parties desiring them at a price to be determined by the register of copyrights, not exceeding five dollars per annum for the complete catalogue of copyright entries and not exceeding one dollar per annum for the catalogues issued during the year for any one class of subjects. The consolidated catalogues and indexes shall also be supplied to all persons ordering them at such prices as may be determined to be reasonable, and all subscriptions for the catalogues shall be received by the Superintendent of Public Documents, who shall forward the said publications; and the moneys thus received shall be paid into the Treasury of the United States and accounted for under such laws and Treasury regulations as shall be in force at the time. {Sidenote: Records open to inspection and copying} "(Sec. 58.) That the record books of the copyright office, together with the indexes to such record books, and all works deposited and retained in the copyright office, shall be open to public inspection; and copies may be taken of the copyright entries actually made in such record books, subject to such safeguards and regulations as shall be prescribed by the register of copyrights and approved by the Librarian of Congress. {Sidenote: Preservation of deposits} "(Sec. 59.) That of the articles deposited in the copyright office under the provisions of the copyright laws of the United States or of this Act, the Librarian of Congress shall determine what books and other articles shall be transferred to the permanent collections of the Library of Congress, including the law library, and what other books or articles shall be placed in the reserve collections of the Library of Congress for sale or exchange, or be transferred to other governmental libraries in the District of Columbia for use therein. {Sidenote: Disposal of deposits}