Copyright-free (著作権フリー) is a conventional expression extensively used in Japan that the author say their works can be used freely regardless of copyright. It is distinguished from public domain.
... the Schmalkaldic League in 1546 and defeated John Frederick I[?] of Saxony and imprisoned Philip of Hesse[?] in 1547. At the Diet of Augsburg[?] in 1547 he created a ...