Page:Copyright, Its History And Its Law (1912).djvu/81

 the copyrighted work may pass by inheritance. Thus an author may manufacture, or cause to be manufactured, his unpublished work, and he may retain exclusive control over the manufactured copies so long as he pleases before publishing the work; and after publication (which involves placing on public sale, or publicly distributing) he may exercise these rights negatively by withdrawing his work from further sale. The English law, however, contains a provision that in certain cases the Crown may require continuance of publication.

In respect to the right to limit the use of his work Enforcement under his sale, gift, loan, grant, lease, etc., for a special purpose or at a special price, or for a special time, or in a special locality or to a special person, these powers of limitation, though implied in the grant of copyright, are dependent for their enforcement rather upon the law of contracts than upon copyright law.

There can be no such thing as a copyright for a special purpose or for a special locality, or under other special conditions, for there can be only one copyright, and that a general copyright, in any one work. But specific contracts can be made, enforceable under the law of contracts, as for the sale of a copyrighted book within a certain territory, provided such contracts or limitations are not contrary to other laws. Although record of assignment in the Copyright Office is provided for by the law only for the copyright in general, the separate estates as a right to publish in a periodical and the right to publish as a book may be sold and assigned separately, and the special assignment recorded in the Copyright Office, though this does not convey a right to substitute in the copyright notice a name other than that of the recorded proprietor of the general copyright, which can only be changed as