"This language [of sec. 31] clearly embraces every American copyright in a book, regardless of whether that copyright was obtained under the copyright laws embodied in the Revised Statutes, or the act of 1891, or the copyright act of 1909. If the statute were otherwise, it would have produced the anomalous condition that books copyrighted prior to March 3, 1891, would not be prohibited from importation by any manufacturing provision; that books copyrighted after March 3, 1891, and prior to July 1, 1909, the date upon which the act of March 4, 1909, became effective, would be prohibited unless printed from type set in the United States or from plates made from type set in the United States, while books copyrighted after July 1, 1909, would be prohibited if not printed from type set in the United States or from plates made from type set therein, and the printing and _binding_ both performed within the limits of the United States." {Sidenote: Importation of foreign texts} Where a work in a foreign language is copyrighted in the United States, it was held by the Secretary of the Treasury (Treas. dec. no. 22751) in 1901, on advice of the Attorney-General, under the act of 1891, in the case of Rostand's "L'Aiglon," that the original French edition must be denied importation under the prohibition feature of the manufacturing clause; but, as under the new code of 1909, "the original text of a work of foreign origin in a language other than English," is excepted from the manufacturing clause, it follows that such original text cannot be denied importation on copyright grounds, though importation might be restrained as a matter of equity by an assignee who had bought for the American market the right to publish here. In the case, however, of Liddel and Scott's Greek-English Lexicon, of which an American edition was copyrighted previous to the law of 1891, on a question raised by the American Book Co., the Secretary of the Treasury held in 1901 (Treas. dec. no. 22781) that the English edition could not be denied importation, as the law previous to 1891 did not contain the prohibition incident to the manufacturing clause. The Attorney-General in this case considered that while the clause against importation, being remedial, might affect prior copyright, yet as it particularly applied to books "so copyrighted" as not to be imported during the existence of "such copyright," it should be inferred that only books copyrighted under that act should be denied importation--the law in general being prospective in its effect. These two earlier opinions were taken into consideration in the opinion in 1909 by Attorney-General Wickersham, who held that the language of the new code did not warrant the same construction. {Sidenote: Printing within country}