The author died in 1942, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 80 years or fewer.

This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

العربية ∙ Deutsch ∙ English ∙ español ∙ français ∙ galego ∙ italiano ∙ 日本語 ∙ 한국어 ∙ македонски ∙ português ∙ português do Brasil ∙ русский ∙ sicilianu ∙ slovenščina ∙ українська ∙ 简体中文 ∙ 繁體中文 ∙ +/−

العربية ∙ বাংলা ∙ català ∙ Deutsch ∙ English ∙ español ∙ français ∙ magyar ∙ italiano ∙ 日本語 ∙ македонски ∙ മലയാളം ∙ မြန်မာဘာသာ ∙ Nederlands ∙ português ∙ русский ∙ sicilianu ∙ slovenščina ∙ svenska ∙ Türkçe ∙ українська ∙ Tiếng Việt ∙ 中文（简体） ∙ 中文（繁體） ∙ +/−