And it is hereby made the duty of the Librarian of Congress to furnish to the Secretary of the Treasury copies of the entries of titles of all books and other articles wherein the copyright has been completed by the deposit of two copies of such book printed from type set within the limits of the United States, in accordance with the provisions of this act, and by the deposit of two copies of such other article made or produced in the United States; and the Secretary of the Treasury is hereby directed to prepare and print, at intervals of not more than a week, catalogues of such title-entries for distribution to the collectors of customs of the United States, and to the postmasters of all post-offices receiving foreign mails, and such weekly lists, as they are issued, shall be furnished to all parties desiring them, at a sum not exceeding five dollars per annum, and the Secretary and the Postmaster-General are hereby empowered and required to make and enforce such rules and regulations as shall prevent the importation into the United States, except upon the conditions above specified, of all articles prohibited by this act.

Sec. 4959. The proprietor of every copyright book or other article shall deliver at the office of the Librarian of Congress, or deposit in the mail, addressed to the Librarian of Congress, at Washington, D. C- a copy of every subsequent edition wherein any substantial changes shall be made: Provided, however, That the alterations, revisions, and additions made to books by foreign authors, heretofore published, of which new editions shall appear subsequently to the taking effect of this act, shall be held and deemed capable of being copyrighted as above provided for in this act, unless they form a part of the series in course of publication at the time this act snail take effect.

Sec. 4960. For every failure on the part of the proprietor of any copyright to deliver, or deposit in the mail, either of the published copies, or description, or photograph, required by sections 4956 and 4959, the proprietor of the copyright shall be liable to a penalty of $25.00, to be recovered by the Librarian of Congress, in the name of the United States, in an action in the nature of an action of debt, in any district court of the United States within the jurisdiction of which the delinquent may reside or be found.

The following act in relation to the deposit of copies was approved March 3, 1893: "That any author, inventor, designer, or proprietor of any book, or other article entitled to copyright, who has heretofore failed to deliver in the office of the Librarian of Congress, or in the mail addressed to the Librarian of Congress, two complete copies of such book, or description or photograph of such article, within the time limited by title 60, chapter 3, of the Revised Statutes, relating to copyrights, and the acts in amendment thereof, and has complied with all other provisions thereof, who has, before the first day of March, 1893, delivered at the office of the Librarian of Congress, or deposited in the mail addressed to the Librarian of Congress two complete printed copies of such book, or description or photograph of such article, shall be entitled to all the rights and privileges of said title sixty, chapter three, of the Revised Statutes and the acts in amendment thereof.

Sec. 4961. The postmaster to whom such copyright book, title, or other article is delivered, shall, if requested, give a receipt therefor; and when so delivered he shall mail it to its destination.

Sec. 4962. No person shall maintain an action for the infringement of his copyright unless he shall give notice thereof by inserting in the several copies of every edition published, on the title-page, or the page immediately following, if it be a book; or if a map, chart, musical composition, print, cut, engraving, photograph, painting, drawing, chromo, statue, statuary, or model or design intended to be perfected and completed as a work of the fine arts, by inscribing upon some visible portion thereof, or of the substance on which the same shall be mounted, the following words, viz.: "Entered according to act of Congress, in the year-------, by A. B., in the office of the Librarian of Congress, at Washington"; or, at his option, the word "Copyright," together with the year the copyright was entered, and the name of the party by whom it was taken out, thus: "Copyright, 18 - , by A. B."

That manufacturers of designs for moulded decorative articles, tiles, plaques, or articles of pottery or metal subject to copyright may put the copyright mark prescribed by Section 4902 of the Revised Statutes, and acts additional thereto, upon the back or bottom of such articles, or in such other place upon them as it has heretofore been usual for manufacturers of such articles to employ for the placing of manufacturers, merchants, and trademarks thereon.

Sec. 4963. Every person who shall insert or impress such notice, or words of the same purport, in or upon any book, map, chart, dramatic or musical composition, print, cut, engraving or photograph, or other article, whether such article be subject to copyright or otherwise, for which he has not obtained a copyright, or shall knowingly issue or sell any article bearing a notice of a United States copyright which has not been copyrighted in this country; or shall import any book, photograph, chromo, or lithograph or other article bearing such notice of copyright or words of the same purport, which is not copyrighted in this country, shall be liable to a penalty of $100, recoverable one-half for the person who shall sue for such penalty, and one-half to the use of the United States; and the importation into the United States of any book, chromo, lithograph, or photograph, or other article bearing such notice of copyright, when there is no existing copyright thereon in the United States, is prohibited; and the circuit courts of the United States sitting in equity are hereby authorized to enjoin the issuing, publishing, or selling of any article marked or imported in violation of the United States copyright laws, at the suit of any person complaining of such violation: Provided, That this act shall not apply to any importation of or sale of such goods or articles brought into the United States prior to the passage hereof.