| This work is in the public domain in the United States, and also in countries and areas that apply the rule of the shorter term to U.S. works. Along with other works by its author (who died in 1990),[1][2] it remains copyrighted overseas until:
- 2016 (Seychelles/Djibouti)
- 2021 (Yemen)
- 2041 (Canada/UAE/South Africa/Mainland China/Philippines/South Korea/Malaysia/Indonesia/Thailand)
- 2051 (India/Venezuela)
- 2061 (Germany/Switzerland/Nigeria/Sri Lanka/Australia)
- 2066 (St. Vincent and the Grenadines/Samoa)
- 2071 (Colombia)
- 2090 (Côte d'Ivoire)
- 2091 (Mexico)
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