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468 COPYRIGHT (c) Lectures, sermons, addresses, prepared for oral delivery;

(d) Dramatic or dramatico-musical compositions;

(e) Musical compositions;

(f) Maps;

(g) Works of art; models or designs for works of art;

(h) Reproductions of a work of art;

(i) Drawings or plastic works of a scientific or technical character;

(j) Photographs;

(k) Prints and pictorial illustrations:

Provided, nevertheless, That the above specifications shall '"'^Classiflca- tion does not not be held to limit the subject-matter of copyright as de- linut copy- fined in section four of this Act, nor shall any error in clas- " sification invalidate or impair the copyright protection secured under this Act.

. That compilations or abridgements, adaptations, '"'^Compila- tions, arrangements, dramatizations, translations, or other abridge- versions of works in the public domain, or of copyrighted dramatiza- '"'^orks when produced with the consent of the proprietor tions, of the copyright in such works, or works republished with translations, new matter, shall be regarded as new works subject to copy- new editions right under the provisions of this Act; but the publication Subsisting of any such new works shall not affect the force or validity copyright not of any subsisting copyright upon the matter employed or affected ^jjy p^rt thereof, or be construed to imply an exclusive right to such use of the original works, or to secure or ex- tend copyright in such original works.

. That no copyright shall subsist in the original Not subject- matter of text of any work which is in the public domain, or in any copyright: ^ork which was published in this country or any foreign worksinpub-. . .1, ■ .. n-^r^, .. ,, he domain- country prior to the gomg mto effect of this Act and has government not been already copyrighted in the United States, or in publications any publication of the United States Government, or any reprint, in whole or in part, thereof: Provided, however That the publication or republication by the Government, either separately or in a public document, of any material in which copyright is subsisting shall not be taken to cause any abridgement or annulment of the copyright or to au-