61 STAT.] 80TH CONG., 1ST SESS.-CH. 391-JULY 30, 1947 § 7. COPYRIGHT ON COMPILATIONS OF WORKS IN PUBLIC DOMAIN OR OF COPYRIGHTED WORKS; SUBSISTING COPYRIGHTS NOT AFFECrED.- Compilations or abridgments, adaptations, arrangements, dramatiza- tions, translations, or other versions of works in the public domain or of copyrighted works when produced with the consent of the pro- prietor of the copyright in such works, or works republished with new matter, shall be regarded as new works subject to copyright under the provisions of this title; but the publication of any such new works shall not affect the force or validity of any subsisting copyright upon the matter employed or any part thereof, or be construed to imply an exclusive right to such use of the original works, or to secure or extend copyright in such original works. § 8. COPYRIGHT NOT TO SUBSIST IN WORKS IN PUBLIC DOMAIN, OR PUBLISHED PRIOR TO JULY 1, 1909, AND NOT ALREADY COPYRIGHTED, OR GOVERNMENT PUBLICATIONS; PUBLICATION BY GOVERNMENT OF COPY- RIGHTED MATERIAL. -NO copyright shall subsist in the original text of any work which is in the public domain, or in any work which was published in this country or any foreign country prior to July 1, 1909, and has not been already copyrighted in the United States, or in any publication of the United States Government, or any reprint, in whole or in part, thereof: Provided, That copyright may be secured by the Postmaster General on behalf of the United States in the whole or any part of the publications authorized by section 1 of the Act of June 27, 1938 (39 U. S. C. 371). The publication or republication by the Government, either sep- arately or in a public document, of any material in which copyright is subsisting shall not be taken to cause any abridgment or annulment of the copyright or to authorize any use or appropriation of such copyright material without the consent of the copyright proprietor. § 9. AUTHORS OR PROPRIETORS, ENTITLED; AUENS.-The author or proprietor of any work made the subject of copyright by this title, or his executors, administrators, or assigns, shall have copyright for such work under the conditions and for the terms specified in this title: Provided, however, That the copyright secured by this title shall extend to the work of an author or proprietor who is a citizen or subject of a foreign state or nation only: (a) When an alien author or proprietor shall be domiciled within the United States at the time of the first ptublication of his work; or (b) When the foreign state or nation of which schll author or proprietor is a citizen or subject grants, either by treaty, convention, agreement, or law, to citizens of the United States the benefit of copy- right on substantially the same basis as to its own citizens, or copyright protection, substantially equal to the protection secured to such foreign author under this title or by treaty; or when such foreign state or nation is a party to an international agreement which provides for reciprocity in the granting of copyright, by the terms of which agree- ment the United States may, at its pleasure, become a party thereto. The existence of the reciprocal conditions aforesaid shall be deter- mined by the President of the United States, by proclamation made from time to time, as the purposes of this title may require: Provided, That whenever the President shall find that the authors, copyright owners, or proprietors of works first produced or published abroad and subject to copyright or to renewal of copyright under the laws of the United States, including works subject to ad interim copyright, are or may have been temporarily unable to comply with the conditions and formalities prescribed with respect to such works by the copy- right laws of the United States, because of the disruption or suspension 655 Post, p. 669. Alien author, etc. Reciprocal con- ditions. Determination by President. Extension of time for fulfillment of for- malities, etc.