• It is a broadcast program and twenty years have elapsed since the end of the year in which it was first aired.
• It is a photographic work, cinematographic work, performance, or software and fifty years have elapsed since the end of the year in which it was created.
• It is another type of work and fifty years have elapsed since the end of the year in which the author died.

You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that this work might not be in the public domain in countries that do not apply the rule of the shorter term and have copyright terms longer than life of the author plus 50 years. In particular, Mexico is 100 years, Jamaica is 95 years, Colombia is 80 years, Guatemala and Samoa are 75 years, Switzerland and the United States are 70 years, and Venezuela is 60 years.

이 작품은 미국, 그리고 저작권 보호 기간이 저작자 사후 70년, 또는 그 이하인 모든 국가에서 퍼블릭 도메인입니다.

이 작품은 1929년 1월 1일 이전에 출판하였으므로 미국에서 퍼블릭 도메인입니다.