This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
Sri Lankan folklore:Perpetual copyright. Permission to make any work derived from folklore must be sought from the Minister in charge of the subject of Culture. This right is claimed worldwide. Works falling in this category are considered unfree on Commons and are not allowed.
Official text of a legislative, administrative or legal nature:No copyright.
Audiovisual work:70 years from the date on which the work was first published, or, if unpublished, 70 years from the making of the work.
Anonymous works:70 years from the date on which the work was first published.
Applied art:25 years from the date of the making of the work.
Any other type of work:70 years after death of author, or in the case of works of joint authorship, 70 years after the death of the last surviving author.
This work is in the public domain in the United States and the source country. In most cases, this means that its copyright expired under the law of the source country and it was either published prior to January 1, 1929 or its copyright also expired under the law of the United States. Its copyright has also expired in those countries with a copyright term of life of the author plus 50 years or less.
To the uploader: please provide relevant publication and authorship details. For non-US works, consider attaching a country-specific tag if available.
Note that in the countries and areas that do not apply the rule of the shorter term, this work might not be in the public domain (this especially applies in Mexico and Switzerland). The creator and year of publication are essential information and must be provided. See Wikipedia:Public domain and Wikipedia:Copyrights for more details.