This work was first published in Bangladesh and is now in the public domain because its copyright protection has expired by virtue of the Copyright Act, enacted 2000 (details). The work meets one of the following criteria:
It is an anonymous, pseudonymous or posthumous work and 60 years have passed since the year of its publication
It is a photographic or cinematographic work and 60 years have passed since the year of its publication
It is a government work or a work of an international organisation and 60 years have passed since the year of its publication
It is a literary, dramatic, musical or artistic work and 60 years have passed since the year of death of the author (or last-surviving author)
你必须增加美国公有领域标签显示为何这个作品在美国属于公有领域。 请注意这个作品在不适用较短期限法则的国家可能并不属于公有领域,并有超过作者逝世后60年的著作权期限。其中,墨西哥为100年,牙买加为95年,哥伦比亚为80年,危地马拉与萨摩亚为75年,瑞士和美国为70年。 বাংলা | English | +/−
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This work is in the public domain in the United States because it meets three requirements:
it was first published outside the United States (and not published in the U.S. within 30 days),
it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
it was in the public domain in its home country on the URAA date (January 1, 1996 for most countries).