你必須增加美國公有領域標籤顯示為何這個作品在美國屬於公有領域。 請注意這個作品在不適用較短期限法則的國家可能並不屬於公有領域，並有超過作者逝世後50年的著作權期限。其中，墨西哥為100年，牙買加為95年，哥倫比亞為80年，瓜地馬拉與薩摩亞為75年，瑞士和美國為70年，委內瑞拉為60年。

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• it was simultaneously published (within 30 days) in the U.S. and in its source country and is in the public domain in the U.S. as a U.S. work (no copyright registered, or not renewed),

or

• it was first published outside the United States (and not published in the U.S. within 30 days) and
• it was first published before 1978 without complying with U.S. copyright formalities or after 1978 without copyright notice and
• it was in the public domain in its home country on the URAA date ( January 1, 1996 for most countries).

This work may still be copyrighted in other countries.

For background information, see the explanations on Non-U.S. copyrights. Note: in addition to this statement, there must be a statement on this page explaining why the work is in the public domain in the U.S. (for the first case) or why it was PD on the URAA date in its source country (second case). Additionally, there must be verifiable information about previous publications of the work.