1. A photograph published before 1952.
2. An anonymous photograph published before 2002 and "whose author is certified dead before 1952."
3. A non-anonymous photograph taken before 1952 and unpublished within 50 years of being taken. But published before 2002.
4. A photograph not included in another work whose copyright term started before and continued——to June 10, 1992/not exclusively created for that work. And meeting one of the following conditions:
   • It's unregistered—taken before June 12, 1962 and published from July 12, 1965 until December 31, 2001.
   • It's registered—published before July 11, 1975, or taken before June 12, 1962 and published before 2002.
5. A photograph meeting the conditions of {{PD-US-unpublished}}.

See this page for further explanation.

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