author: Waldemar Marczewski 

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copyrighted in countries which use the rule of the shorter term.

copyrighted in Brunei.

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copyrighted in Persia.

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copyrighted in Free Republic of the Congo.

copyrighted in Qatar.

copyrighted in countries with 50 years pma or shorter.

copyrighted in Nicaragua.

copyrighted in Cook Islands.

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copyrighted in countries with 100 years pma or shorter.

copyrighted in Turkmenistan.

copyrighted in Burkina Faso.

copyrighted in Liberia.

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copyrighted in Lebanon.

copyrighted in Kingdom of Denmark.

copyrighted in Mauritania.

copyrighted in Republic of Cuba.

copyrighted in Tanzania.

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copyrighted in Democratic Republic of the Congo.

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copyrighted in Pakistan.

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copyrighted in Seychelles.

copyrighted in Comoros.

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copyrighted in countries with 71.5 years copyright term after publication.

copyrighted in countries with 25 years pma.

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copyrighted in countries with longer than 74 years pma.

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copyrighted in countries with 50 years pma.

copyrighted in countries without PD-art.

copyrighted in countries with 90 years pma.

copyrighted in countries with longer than 90 years pma.

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copyrighted in countries with 45 years pma.

copyrighted in countries with longer than 50 years pma.

copyrighted in countries with 85 years pma or shorter.

copyrighted in countries with 15 years pma or shorter.

copyrighted in countries with longer than 15 years pma.

copyrighted in countries with longer than 45 years pma.

copyrighted in countries with longer than 95 years pma.

copyrighted in countries with 74 years pma or shorter.

copyrighted in countries with 80 years pma.

copyrighted in countries with 60 years pma.

copyrighted in countries with 74 years pma.

copyrighted in countries with 100 years pma.

copyrighted in countries with 50 years copyright term after publication.

copyrighted in countries with 78 years pma.

copyrighted in countries with 95 years pma.