Copyright. Copyright law of United States, act of Mar. 4, 1909, in force July 1, 1909, as amended by acts of Aug. 24, 1912, Mar. 2, 1913, Mar. 28, 1914, and July 3, 1926; with Rules for practice and procedure under sec. 25, by Supreme Court, [and] with act of Dec. 18, 1919.

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