304
COPYRIGHT
Receipt for
Catalogue and index provision
son recorded as the claimant of the copyright shall be entitled to a certificate of registration under seal of the copyright office, to contain his name and ad- dress, the title of the work upon which copyright is claimed, the date of the deposit of the copies of such work, and such marks as to class designation and entry number as shall fully identify the entry. In the case of a book the certificate shall also state the receipt of the affidavit as provided by section sixteen of this Act, and the date of the completion of the printing, or the date of the publication of the book, as stated in the said affidavit. The register of copyrights shall prepare a printed form for the said certificate, to be filled out in each case as above provided for, which certificate, sealed with the seal of the copyright office, shall, upon payment of the prescribed fee, be given to any person making application for the same, and the said certificate shall be admitted in any court as prima facie evidence of the facts stated therein. In addition to such certificate the register of copyrights shall furnish, upon request, without additional fee, a receipt for the copies of the work deposited to com- plete the registration.
" (Sec. 56.) That the register of copyrights shall fully index all copyright registrations and assign- ments and shall print at periodic intervals a catalogue of the titles of articles deposited and registered for copyright, together with suitable indexes, and at stated intervals shall print complete and indexed catalogues for each class of copyright entries, and may thereupon, if expedient, destroy the original manuscript catalogue cards containing the titles included in such printed volumes and representing the entries made during such intervals. The current catalogues of copyright entries and the index volumes herein provided for shall be admitted in any court as
